Pre-Test
Atoms
Subatomic
Science stuff
Science
100

smallest atomic particle

What is an atom?

100

How many protons are in C-25

What is 6

100

Three subatomic particles.

What are protons, neutrons, and electrons?

100
The sum of protons and neutrons in the nucleus of an atom.
What is mass number?
100

Columns are called

What is groups/families

200

Where are neutrons 

in the nucleus

200

How many neutrons are in C-19

What is 13
200

Located outside of the nucleus and have a negative charge.

What are electrons?

200

Group 4, Period 4 

What is Titanium

200
The atomic number tells us 

What is the number of protons and electrons

300

Electrons are located 

in the electron cloud/energy levels

300

These Elements Cl, Kr, and K 

Chlorine, Krypton, and Potassium

300
Located inside of the nucleus and have a positive charge.
What are protons?
300
The atomic number of Oxygen.
What is 8?
300

When an atom has extra or less neutrons creating a different mass number 

What is an Isotope

400
Protons and neutrons are about the same size. True or False?
True!
400

What elements do these symbols stand for, Ag, Fe, and I 

Silver, Iron, and Iodine

400
Atoms of different elements have different numbers of these.
What are protons?
400
The mass number of Potassium.
What is 39.098?
400

The number of electrons each energy level can hold

What is 2, 8, 18, and 32 

500
This is the smallest subatomic particle.
What is an electron?
500

A bohr model of Bromine

Draw it 

500

A bohr model of Carbon

Draw it

500
Mass number - atomic number = ______ __ ________.
What is the numer of neutrons?
500

Periods tell us this for Bohr Models

What is the number of electron shells/energy levels

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