Unit 3 Test

Particles

100

What is the charge for protons?

+1

200

What is the charge for Neutrons?

Neutral (0)

300

What is the charge for electrons?

-1

400

Who discovered Protons?

Ernest Rutherford

500

Who discovered Electrons?

J.J Thomson

Definitions

100

What makes up the atomic mass?

# of protons + # of neutrons

200

How do you determine the atomic number?

# By the number of protons

300

Which sub atomical particle is found outside the nucleus?

electron

400

What is an atom or molecule with the electronic charge due to the loss or gain of electrons?

Ion

500

When two elements contain equal number of protons, but different number of neutrons what is it called?

Isotope

Location

100

Where do you find protons?

inside the nucleus

200

Where do you find neutrons?

Inside the nucleus

300

On the periodic table, where do you find metals?

Left side of metalloids

400

How many metalloids are there?

6

500

Where do you find the periods on the periodic table?

The rows that go from left to right

Metals, Nonmetals, Metalloids

100

Is calcium a metal, nonmetal, or metalloid?

metal

200

Is Boron a metal, nonmetal, or metalloid?

Metalloid

300

Is phosphorus a metal, nonmetal, or metalloid?

Non-metal

400

Is arsenic a metal, nonmetal, or metalloid?

Metalloid

500

Is Polonium a metal, nonmetal, or metalloid?

Metal

Elements

100

Protons=4 

Neutrons= 5

How many electrons are there?

4

200

Atomic #=8

Electrons=8

Neutrons=2

What is the number of protons?

8

300

Atomic #=3

Neutrons = 6

What is the mass #?

9

400

Mass # =50

Protons=40

What is the number of neutrons?

10

500

Atomic Mass=60

Protons=25

What is the number of neutrons?

35