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Basics
Calculations
Subatomic
Numbers
Miscellaneous
100
This is the smallest part of an element.
What is an atom?
100

What is the # of protons in an atom of hydrogen?

1

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

Vertical columns on the periodic table

groups

200
Neutrons are located outside of the nucleus. True or False?
False!
200

How many electrons does oxygen have?

8

200
Located outside of the nucleus and have a negative charge.
What are electrons?
200
The number of protons in an atom of a certain element.
What is atomic number?
200

horizontal rows on the periodic table

periods

300
Electrons are located outside of the nucleus. True or False?
True!
300

How many electrons are in a neutral atom of strontium –Sr?

38

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

How many valence electrons creates a full shell? 

8

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

What is the number of neutrons in H-1?

0

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

What group on the periodic table has 7 valence electrons? 

group 17

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

How many neutrons does a atom of gold –Au- with a mass number of 197 and an atomic number of 79.

118

500
An atom with the same number of protons but different number of neutrons.
What is an isotope?
500

How do you calculate the number of neutrons? 

Mass number - atomic number =

500

What is a Lewis dot structure? Draw one for oxygen.

Shows the number of valence electrons