Kahoot review

Question 1

The period table has ___periods and ___ grouos

Answer 1

7 periods and 18 groups

Question 2

Lewis dot diagram represents the ___

Answer 2

Outer shell

Question 3

The sum of the number of protons and neutrons is the __

Answer 3

Mass number

Question 4

Neutrons have what charge?

Answer 4

Neutral

Question 5

The horizontal rows of the periodic table are called what?

Answer 5

Periods

Question 6

Protons and ___ = the atomic number

Question 7

Protons and neutrons are found together in the ___

Answer 7

Nucleus

Question 8

Calcium and Beryllium are both considered NON Metals.

Answer 8

No

Question 8

Atoms of the same element that have a different number of neutrons are called ____________.

Answer 8

isotopes

Question 9

Positively charged atom

Answer 9

Protons

Question 10

negatively charges particles of atoms

Answer 10

electrons

Question 11

Lewis Dot Diagrams are ______________

Answer 11

element symbol in center,only shows the valence electrons

Question 12

Most of the mass of atom is located in the ______

Answer 12

nucleus

Question 13

What is the general area where electrons are located in the atom called?

Answer 13

electron cloud

Question 14

The number of electrons found in each of the first three energy levels is _____, _____, _____.

Answer 14

2,8,18

Question 15

The energy levels increase as you go from top to bottom

Answer 15

true

Question 16

elements in a vertical row is called ___

Answer 16

-famileis
-Group

Question 17

Electrons are found in the ____________.

Answer 17

Electron Shells

Question 18

Elements in group 13 have _________ valence electrons.

Answer 18

3