Unit 4

Question 0

Periods

Answer 0

Horizontal rows on periodic table

Question 1

Proton

Answer 1

Positive subatomic particle

Question 2

Electron

Answer 2

Negatively subatomic particle

Question 3

Neutrons

Answer 3

Neutral subatomic particle

Question 4

Valence electrons

Answer 4

The electrons in the outermost energy level

Question 5

Atomic number

Answer 5

Number of protons in an element

Question 6

Atomic mass

Answer 6

Number of protons and neutrons

Question 7

Symbol

Answer 7

Represents an element

Question 8

Families

Answer 8

Vertical columns on a periodic table

Question 9

Atom is made up of what??

Answer 9

Protons, neutrons, and electrons

Question 10

Protons, neutrons, and electrons are considered….

Answer 10

Subatomic particles

Question 11

Protons has a __________ charge

Answer 11

Positive

Question 12

Neutrons has a __________ charge

Answer 12

Neutral

Question 13

Electron has a __________ charge

Answer 13

Negative

Question 14

Electrons circle the nucleus, holding what together??

Answer 14

The whole atom

Question 15

Protons and electrons________ eachother

Answer 15

Attract

Question 16

You see electrons even with a microscope?

Answer 16

Nope

Question 17

Ur skin is mostly ______ when u rub ur finger on plastic with it??

Answer 17

Positive

Question 18

How many atoms are there on the periodic table??

Answer 18

About 100