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parts of an atom
The Periodic Table
Molecules vs Compounds
Atomic Bonds
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100

What are the three parts of an atom?

protons

neutrons

electrons

100

Horizontal rows on the periodic table are called

periods 

100

what is a molecule?

a group of atoms joined together

100

What types of elements form an ionic bond?

metal and non-metal

100

What is the study of matter, what it is made of, what its usual characteristics are, and how it reacts with other matter?

chemistry

200

protons have a _____ charge 

Neutrons have a ______ charge 

Electrons have a _______ charge

positive 

negative 

neutral / no

200

Vertical columns on the periodic table are called 

groups or families 

200

what is a compound?

a type of molecule with different elements joined together

200

What type of elements form a covalent bond?

nonmetal and nonmetal
200

the smallest piece of an element

atom

300

what makes up an atoms atomic number?

number of protons

300

elements on the periodic table can be classified as one of three things. what are they?

metal

non-metal

metalloid

300

Which statement is correct?

A. All molecules can be compounds, but not all compounds can be molecules.

B. All compounds can be molecules, but not all molecules can be compounds. 

statement B

300

give an example of an ionic bond 

NaCl
300

is H20 a compound or molecule? explain

it is both because a compound is a type of molecule that has different elements.

400

what makes up an atoms atomic mass?

protons plus neutrons

400

The chemical symbol of an element is written in what certain way?

Uppercase, Lowercase 

400

Give an example of a molecule vs a compound. 

(you cannot use h2O as an example)

O2
vs 
CO2 , NaCl
400

In an ionic bond, elements _____ electrons.

In a covalent bond, elements ______ electrons.

take, give

share

400

what is an element?

a substance containing one type of atom

500

how many electrons can fit in the inner shell? outer shell?

2, 8

500

the elements most similar to one another can be found in the same _________

group/family 

500

what is the definition of a chemical formula (think about what you see)


the chemical symbols and numbers that make up a compound or molecule

500

an atom that has gained or lost an electron is called: 

an ion 
500

what does a subscript tell you?

The number of atoms of an element in a molecule