the outer electron configuration of an alkali metal has:

Answers

Answer 1

Answer:

one electron

Group 1A elements are the alkali metals and all have one electron in the outermost energy level because their electron configuration ends in s1.

Explanation:

Answer 2

Answer:

1 electron

Explanation:

they are reactive becasue they only have one electron.

Related Questions

I would be so grateful if someone helped me with my lab report. My lab report is about identifying unknown solids.
- How could I start my introduction?
Thank you and have a great day!!

Answers

Answer:

good afternoon

Explanation:

like that you dummy

What is the molarity of 48.6 g of magnesium (Mg) ions in 4 L H2O? Show cancelation of units to get credit. PLEASE HELP!!!

Answers

Answer:

0.50M (1 sig. fig.)

Explanation:

The problem objective is 'Molarity (M)', so set up given data to reduce to moles per liter. That is ...

Molarity = moles Mg/Liters of solution = (48.6g/24.31g·mole⁻¹)/(4Liters) = 0.499794323M (calc. ans.) ≅ 0.5M (1 sig. fig.)

PLEASE HELP ME ASAAAAPPPPPPPPPPPPPP!!!!!!!!!!!!!!!!!!!!!!!

Balance the chemical equation using the algebraic method.

C4H10+O2=CO2+H2O

SHOW YOUR WORK PLEASEEEEEEEEE

Answers

The given equation to be balanced is
C
4
H
10
+
O
2
→
C
O
2
+
H
2
O

We begin by counting the number of
C atoms on both sides. We have 4C on the left and 1C on the right.
⇒
C
4
H
10
+
O
2
→
4
C
O
2
+
H
2
O

Now count the number of H atoms on both sides. We have 10H on the left and 2 H on the right.
⇒
C
4
H
10
+
O
2
→
4
C
O
2
+
5
H
2
O

Now, O's turn. We have 2 O on the left and 13 O on the right.
⇒
C
4
H
10
+
13
2
O
2
→
4
C
O
2
+
5
H
2
O

or

2
C
4
H
10
+
13
O
2
→
8
C
O
2
+
10
H
2
O

What happens to electronegativity as you go down the same group
on the Periodic Table?

Answers

Answer:

decreases

Explanation:

As you go down the same group on the periodic table, the electronegativity of an atom will decrease.

Describe the appearance and properties of a gas.

Answers

Answer:

A gas is light, the molecules are moving very fast, and a gas can change forms due to temp of the area its in.

Find the volume of 5.74 grams of NO2 (Hint: use two factors)

Answers

Answer:

1.2 cm^3

Explanation:

5.74 grams of a something occupies a volume of 1.2 cm^3 .

Periodic table puzzles

Answers

Answer:

Explanation:

I can explain if you ask

Hurry for A brainlist

Answers

Answer:

Option C .P=79, N= 118 Atomic number=79 Mass number=197

the greater gravitational force

Answers

Answer:

The stronger the pull of gravity on an object ( the greater it's weight)

Which of these demonstrates one of Newton's Laws of Motion? A seat belt holds you in your seat kicking a bowling ball will affect you more than the ball a fireman is knocked backward when he turns on his hose all three are examples of Newton's Laws

Answers

Answer:

the last one: all three are examples of Newton's laws

Explanation:

i guess

My atomic mass is 35.453

Answers

The element is chlorine

what are the 4 quantum numbers for the last electron in promethium

Answers

Answer:

Promethium atoms have 61 electrons and the electronic shell structure is [2, 8, 18, 23, 8, 2] with Atomic Term Symbol (Quantum Numbers) 6H5/2.

make a punnett square for these two parents AA × aa

Answers

Answer:

Explanation:

all of the punnet squares would be Aa because there is AA to aa

what is the type 1 binary compound for MgCl2

Answers

Answer:

Explanation:

magnesium chloride

which term names the concentration of salts dissolved in a liquid?

Answers

Answer:

salinity

Explanation: guess

why do blue messel shell get thicker

Answers

up right

read the last 3 paragraph you will see the answer

The bonding of blank and blank does not involve the blank of electrons

Answers

Answer:

Huh? I guess it's

TRUE?

Explanation:

Correct me if I'm wrong

Answer:

IT'S FALSE ISN'T IT? YEH

Hydrogen gives off of energy when burned in oxygen, and methane gives off under the same circumstances. Of a mixture of g hydrogen and g methane is burned, and the heat released is transferred to g water at , what final temperature will be reached by the water

Answers

Answer:

The answer is 9

Explanation:

Because 5+4=9 lol

What is wrong with writing the electron configuration of a ground state atom as 1s2 2s2 2p6 3s2 3p6 3d10 4s2 ?

Answers

Answer:

Writing of the subshells

Explanation:

Given configuration:-

[tex]\\ \sf\longmapsto 1s^22s^22p^63s^23p^63d^{10}4s^2[/tex]

Actual configuration:-

[tex]\\ \sf\longmapsto 1s^22s^22p^63s^23p^64s^23d^{10}[/tex]

This is because 4s orbital is less in energy than that of 3d

Please answer these 2 questions

Answers

Answer:

Question 8, I think is C describe CR. Question 7 is Chemical reactions produce new substances

Explanation:

When a cold pack is put on your ankle what happens to the molecules in your ankle?

Answers

The molecules slow down (when things are cold molecules move slow, when things are hot molecules move fast)

exist within a compound to hold the
atoms together within molecules

Answers

Answer:

Explanation:

I got it right on my last test

when you take 10 grams of salt, and dissolve it in 25 grams of hot water what is the solubility

Answers

Answer:

When salt is mixed with water, the salt dissolves because the covalent bonds of water are stronger than the ionic bonds in the salt molecules. ... Water molecules pull the sodium and chloride ions apart, breaking the ionic bond that held them together.

Explanation:

A sample of an unknown gas occupies 5.51 L at 1.31 atm. What pressure would thisgas exert in a 0.520 L container if the temperature is held constant?

Answers

Answer:

P₂ = 13.9 atm (3 sig. figs.)

Explanation:

The pressure (P), Volume (V) relationship with Temperature (T) & mass (n) held constant is an inverse proportionality. That is Boyles Law ...

P ∝ 1/V => P = k/V => k = P·V

For two pressure-volume conditions, the proportionality constant (k) remains constant where k₁ = k₂ and P₁·V₁ = P₂·V₂ => P₂ = P₁·V₁/V₂

Given:

P₁ = 1.31 atm.

V₁ = 5.51 L

P₂ = ?

V₂ = 0.520 L

V₂ = (1.31 atm)(5.51L)/(0.520L) = 13.88096154 atm (calc. ans.) = 13.9 atm (3 sig. figs.)

which one goes where?

Answers

Answer:

precipitation goes to the left box

condensation goes to the bottom box

evaporation goes in the top right box

Explanation:

hope this is helpfull

can you relate to these pictures

Far left precipitation , bottom evaporation , condensation top right . I hope this helped .

calculate the moles and Molecules presents in ammonia present in 5.6dm3
of its volume STP?

Answers

Answer: 0.25 moles NH3

1.51x10^23 molecules NH3

Explanation:

5.6dm3 (cubic decimeters)

1 dm^3 = 1 liter

We have 5.6L of ammonia (NH3 gas) at STP. All gases at STP occupy 22.4 liters/mole. Use this information as a conversion factor:

(22.4 L NH3)/(mole NH3)

Therefore:

(5.6L NH3)/(22.4 L NH3)/(mole NH3) = 0.25 moles NH3

Use Avogadro's number to convert moles to particles/molecules

(0.25 moles NH3)*(6.02x10^23 molecules/mole) = 1.51x10^23 molecules NH3

What is the importance of water?

Answers

IMPORTANCE:

Water is very important. Whether it's from washing your dishes to hydrating, to simply just watering your flowers, water is important.

Washing Dishes

When you eat, after you eat, you wanna clean your dish. You're not gonna keep it dirty, you're going to have to wash it. Soap and water are often used when washing dishes. It's the best way to get it cleaned.

Hydration

Drinking water can have many benefits. It can make you more productive, you can even lose weight, no migraines, and it can boost your metabolism.

Watering Flowers

It's helpful to water plants because watering them on a basis/routine can help them gain nutrients. No watering the plant can result the plant drooping down and for it to become droopy and dry.

PLS HELP WILL GIVE BRAINLIEST!
Based on the diagram below, in what period is the atom located on the periodic table? *
a. period 4
b. period 2
c. period 6
d. period 1

Answers

Answer:

C. Period 6

Explanation:

the chemical bond between elements of the two terminals of the periodic table is

Answers

Answer:

Covalent bonds are much more common in organic chemistry than ionic bonds. A covalent bond consists of the simultaneous attraction of two nuclei for one or more pairs of electrons. The electrons located between the two nuclei are bonding electrons.

...

what action is not necessary before lighting a bunsen burner?

Answers

Answer:

Even though you didn't include any option choices in your question, I've searched it up anyways, and every source I found says that the answer is "Leave the gas stop open for a few minutes before lighting to clear the line."

Explanation:

Hope this is what you were looking for :)

If not, then I'm sorry.

Other Questions

4. Which of the following describes the parabola with the equation y = x2 3x + 6?A. The axis of symmetry is x = 1.5 and the vertex is (1.5, 8.25).B. The axis of symmetry is x = 1.5 and the vertex is (1.5, 12.75).C. The axis of symmetry is x = 1 and the vertex is (1, 3).D. The axis of symmetry is x = 0 and the vertex is (0, 6). How did the Inca treat most of those who they conquered? According to Washington, is a strong central government important? In the event of a file catastrophe, ____ can be used to restore the file or database to its current state at the time of the last backup. Identify the slope (m) y-intercept (b) of the table below. Then, construct the linear equation for the table below in the form f(x)=mx+bf(x)=mx+b Which of these is not a benefit of microorganisms?They release nutrients in soil.They help make antibiotics.They cause food to spoil.They break down waste. What is the ability of a substance to change into something else? In a large resturanat an average of 2 out of every 5 customers ask for chilies with their meals. A random sample of 15 customers is selected. Find the probability that i. Exactly 7 customers ask for chilies with their meal ii. Less than 3 customers ask for chilies with their meals. Jamie wants to buy a car. She reads car reviews online, asks her friends for advice, and visits the websites of all the major car manufacturers. Next, she goes to several car dealerships to test-drive cars. Jamie is engaging in which type of problem solving to select a car Macbeth is personifying evil. Who do you think will lead the forces of good in a campaign against him? what is the oppistite of 63 Graph r < -9 on number line 2. Pick two materials that float from the table above.Observe how high the two materials float in the water and compare this to the density of the two objects.What do you notice?An object with a lower density will floatthan an object with a higher density.(higher/lower) 8. Use the sentences below to differentiate between speed, velocity, and acceleration. (write your answers for a, b, and c A bus that is traveling north at 48 km/h slows to a stop to pick up passengers. It then begins moving again. At the next corner, it turns to the east.a. Identify the speed of the bus.(answer)-b. Identify one example of the velocity of the bus.(answer)-c. Identify each group of words or phrases that describe acceleration of the bus.(answer) Topic Sentence! I need a topic sentence A bank teller has 54 dollar bills totaling $780 in her cash drawer. Her drawer has 5 and 20 dollar bills. How many 5 dollar bills are there? Although the average annual price for a four-year public college is roughly $8,600, how much does the average student pay after applying gift aid What are the inputs and outputs of the skeletal system please help me i got points Which natural process leads to the greatest production of atmospheric particulates?.