Science Test--- for 10/16/24

Question 1

Ion

Answer 1

atom or group of atoms that has an electric charge

Question 2

Polyatomic ion:

Answer 2

ions that are made with more than one atom

Question 3

Ionic bond:

Answer 3

attraction between two oppositely charged ions

Question 4

Ionic compound:

Answer 4

compound that consists of positive and negative ions

Question 5

Chemical formula:

Answer 5

Symbols that show the ratio of elements in a compound

Question 6

Subscript

Answer 6

the ratio of elements in a compound

Question 7

Crystal

Answer 7

3D arrangement

Question 8

Do you know how to identify the valence electrons

Answer 8

Valence Electrons = group number (if it’s groups 13-18 you subtract 10)

Question 9

Charge

Answer 9

number of electrons that an element wants to give/receive

Question 10

What is group 1s charge

Answer 10

+1

Question 11

What is group 2´s charge

Answer 11

+2

Question 12

What is group 13´s charge

Answer 12

+3

Question 13

What is group 14´s charge

Answer 13

+4 or -4

Question 14

What is group 15´s charge

Answer 14

-3

Question 15

What is group 16´s charge

Answer 15

-2

Question 16

What is group 17´s charge

Answer 16

-1

Question 17

What is group 18´s charge

Answer 17

0

Question 18

What is a cantion
What is a anion

Answer 18

Groups 1, 2, 13,
Groups 15, 16, and 17

Question 19

Do you know the properties of ionic compounds?

Answer 19

Solubility, Crystal Structure, Conductivity, High Melting Points