Atomic Structure - Review and periodic table

Question 1

Which group would form a +2 charge?

Accepted Answer

Alkaline earth metals

Question 2

How many protons are in an atom of Carbon-14?

Accepted Answer

6

Question 3

How many electrons does a neutral carbon atom have?

Accepted Answer

6

Question 4

Which group are the most reactive metals?

Accepted Answer

alkali

Question 5

I am an alkali metal with 3 energy levels

Accepted Answer

Sodium

Question 6

Where are protons located?

Accepted Answer

In the nucleus.

Question 7

Changing the number of electrons in an atom changes its...

Accepted Answer

charge.

Question 8

I will lose 2 valence electrons from my 2nd period

Accepted Answer

Beryllium

Question 9

I have 4 Energy levels and 7 valence electrons

Accepted Answer

Bromine

Question 10

What group would have a -1 charge?

Accepted Answer

Halogens

Question 11

What is the symbol for Oxide?

Accepted Answer

O-2

Question 12

What group does Sulfur belong to?

Accepted Answer

Oxygen

Question 13

Which of these would change an atom into a different element?

Accepted Answer

Change the number of protons.

Question 14

How many electrons are in a Potassium ion, K+1?

Accepted Answer

18

Question 15

What is the mass number of an element with 12 protons, 13 neutrons, 12 electrons?

Accepted Answer

25

Question 16

What is the symbol for nitride?

Accepted Answer

N-3

Question 17

What is the symbol for a Strontium ion?

Accepted Answer

Sr+2

Question 18

What is the name of a negatively charged ion?

Accepted Answer

anion

Question 19

Changing the number of neutrons in an atom changes its...

Accepted Answer

isotope type.

Question 20

Find me on period 3 with a +3 charge

Accepted Answer

Aluminum

Questions 20