Chemistry High School

why sodium is active element...​

Answers

Answer 1

Answer:

here is your answer

Explanation:

1. sodium sodium is very reactive metal

2. when it exposed in air it automatically form Na2O.

3. when when it put in water it reacts visoroustly and start burning on water.

( due to this it is called active element)

Answer 2
The other answer here is correct, but if you’re looking from a more structural view then here is it:
Sodium has only one electron it it’s outermost orbital, and because of this it has a really high tendency In giving up that electron in order to get into a more stable electron configuration.

Related Questions

3+[5(2-3)-6

EVALUATE THE EXPRESSION
HELP PLEASE ​

Answers

Answer:

-8

Explanation:

HHHEEEEELLLPPP MMMEEE
Travis is warming up before basketball practice. Which of these activities would provide the best dynamic stretch to prepare him for sprinting?

Forward bends
Arm rotations
Neck extensions
Leg swings

Answers

Answer:

Leg swings sounds good but not to sure

Explanation:

I mean in order to play basketball gotta warm up your legs

Answer: Leg swings

Explanation: Leg swings would be best for preparing to sprint because you will have to move you legs very quickly, and leg swings would be a good warm up without tiring yourself out.

Match each element with the element that is most similar to it. If you don’t know the answer, use this periodic table to help you make your best guess.


Drag the tiles to the correct boxes to complete the pairs...

Answers

Answer:

Lithium - Potassium

Carbon - Silicon

Fluorine - Bromine

Oxygen - Sulfur

Explanation:

I hope this helps!! :3

What do animals mean to you?

A)Lovable fur friends
B)Speacial to you
C)They are just animals
D)Who cares

Answers

A would be the answer

Answer: OMG EMMM, PLZ ANSWER ME, I REALLY MISS U , plz come back...

Explanation:

Which describes the letter that belongs where the question mark is?

Answers

Answer:

C

Explanation:

Took the test

The least massive of all the alkaline earth metals. Who
am I?

Answers

Chased on atomic mass, the least massive of the alkaline earth metals is Beryllium.

What are alkaline earth metals?

Alkaline earth metals are the metals found in group 2 of the periodic table of elements.

The alkaline earth metals include:

Beryllium Magnesium Calcium

The least massive is the first element in the group.

Therefore, the least massive of the alkaline earth metals is Beryllium.

Learn more about alkaline earth metals at: https://brainly.com/question/1085966

wave has a frequency of 5hz and a wavelength of 25 m/s.
what is the speed of the wave

Answers

Answer:

125m/s

Explanation:

speed= wavelength×frequency

= 25×5

=125

The speed of the wave will be 125 m/s.

What is speed?

The magnitude of an object's rate of change of position with time, or the magnitude of change of position for each unit of time, is its speed; it can be considered as a scalar quantity.

Speed = wavelength × frequency

Calculation of speed is shown below:

It is given that wavelength = 25 m/s, frequency = 5 hz.

Speed can be calculated by using the formula:

Speed = wavelength × frequency

speed = 25m/s × 5 hz

speed = 125 m/s

To know more about speed.

https://brainly.com/question/7359669.

#SPJ2

help me out pls (image attached)​

Answers

Protons:13
neutrons:14
electrons:10

Oxygen and silicon makes up what percentage of the Earth crust.
A) 57% B) 98.5% C) 75% D) 50%

Answers

answer

the answer is C

explanation

this is because the oxygen makes up 46.1%of the earth's surface while silcon is 28.5% and the question says "what makes up" which means you should add them and it becomes 74.6% which Is approximately 75%

what happen when two light waves traveling from oppsite direactions meet?

Answers

Answer:

When two or more waves meet, they interact with each other. The interaction of waves with other waves is called wave interference. Wave interference may occur when two waves that are traveling in opposite directions meet. The two waves pass through each other, and this affects their amplitude

Explanation:

hope this helps!

Which of the following will Float on pure water?
оа
Ob
A substance with a mass of 1.33 g. and a volume of 1.38 ml.
A substance with a mass of 534.23 grams and a volume of 522.3 mL
A substance with a volume of 436.2 mL and a mass of 4180.23 g.
A substance with a volume of 3.35 mL and a mass of 22.64 g.
ос
Od

Answers

Answer:

ob

Explanation:

becoz when volume increases density decreases.

How cations can become neutral atoms?​

Answers

A neutral atom contains the same number of electrons as protons and that means that the electric charge of the atom is neutral or otherwise known as zero. However, if a particular atom loses an electron, the atom becomes positively charged because there is more protons than electrons.
THIS IS CALLED A CATION.
hope this helps x

Answer:

By gaining elections

Explanation:

Cations are formed when neutral atoms loss electrons and when they gain back the lost electrons the charges are neutralized.

Eg. Cu=Cu2+ + 2é

Cu2+ + 2é=Cu

Convert the following: 100 hg(hectograms) to g(grams)
a. 10,000 g
b. 10 g
c. 1 g
d. 100 g

Answers

Answer:

A

Explanation:

10,000g

just multiply the amount of hectograms by 100 to get grams

The answer is A, 10,000g

is the cause of rapid oxidation explosion

Answers

Rapid oxidation results in burning of a material or even an explosion. It happens rapidly and produces light and noticeable heat. Combustion or burning is rapid oxidation. But combustion can also refer to rapid burning where oxygen is not involved

The change of matter, solid, liquid and gas is called a_________.

Answers

Answer:

This would be a phase change

Explanation:

Since the diffrent phases solid,liquid,gas are changing to other phases.

Sorry for the bad explanation.

In a chemical formula what is used to indicate the number of atoms of each element

Answers

Answer:

molecular number

Explanation:

because it shows exact numbers

An atom contains 22 protons and 26 neutrons. What is its atomic number?

Answers

Answer:

the atomic number is 22

Explanation:

titanium is 22 on the periodic table. the amount of protons is the same as the atomic number

Answer:

22 :)

Explanation:

How is particle motion related to thermal equilibrium?

Answers

Answer:

With billions of moving particles colliding into each other, an area of high energy will slowly transfer across the material until thermal equilibrium is reached (the temperature is the same across the material).

Can someone help me find the 5 digits numbers in here?

Answers

Answer:

20322

Explanation:

Could it have something to deal with the teeth or mouths? The first pumpkin you have two teeth, second pumpkin looks like a 0, the third pumpkin I’m unsure of. The forth pumpkin has two teeth again same with the fifth.

So first pumpkin - 2
The second pumpkin - 0
The third pumpkin I’m unsure of
The forth pumpkin - 2
The fifth pumpkin - 2
So 20?22

Just an idea for ya. Hopefully it helps

Which one of the following is an alkane?

A. C2H4
B. C5H10
C. C3H8
D. C4H6

Answers

Hello

Answer:

C. C3H8

Ecology is defunded as the environment study of

Answers

Answer:

sicoligy

Explanation:

this answer was wrong sorry

The amount of matter inside an object is called what?

Answers

The amount of matter inside an object is called the object’s mass.
The answer is an object mass.

Make a claim about whether air is matter and whether light is matter. Support your claims with evidence and explain your reasoning.

Answers

Answer: air is matter, it has mass and it takes up space

Solution ,colloid ,or suspension

Answers

Answer:

colloid

Explanation:

i think she making meth in her basement

Colloid lol that woman is crazy

A compound is always made up of the same ____ in the same proportions.

Answers

Answer:

elements

Explanation:

A compound always consists of the same elements in the same ratio. If the same elements combine in different ratios, they form different compounds

Green light has a frequency of 6.01 x 1024 Hz. What is the wavelength?

Answers

Answer:

λ= 4.99 * 10^-17

Explanation:

C= F * λ

F= frequency(Hz)

λ= wavelength(m)

C= 3.0 * 10^8

F= 6.01 * 10^24

λ= ?

3.0 * 10^8= (6.01 * 10^24) λ

***Simplify

λ= 4.99 * 10^-17

What is the melting point of the above substance?

Answers

There is no substance there.. can you elaborate? I’ll answer in the comments

which can occur in a physical changen?
​

Answers

Physical changes are changes affecting the form of a chemical substance, but not its chemical composition. Examples of physical properties include melting, transition to a gas, change of strength, change of durability, changes to crystal form, textural change, shape, size, color, volume and density.

Which is NOT a source of bias? Pick one.

A. Accurate Records

B. Equipment Choice

C. Funding Source

D. Hypothesis Information

Answers

Answer:

A: Accurate Records

Explanation:

I think the answer is A. Accurate Records

Predict the charge on the monatomic ions formed from the following atoms in binary ionic compounds:
(a) I
(b) Sr
(c) K
(d) N
(e) S
(f) In

Answers

i think the answer to this would be f
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