Atoms
The Periodic Table of Elements
Molecules and Compounds
Chemical Bonds
Matter and States
100

What is the center of an atom called?

The Nucleus 

100

What does each box on the periodic table represent? 

An element 

100

What is a molecule made out of?

Two or more atoms bonded together

100

What do we call the "glue" that holds atoms together? 

A chemical bond

100
What is matter?

Anything that has mass and takes up space

200

What three particles make up an atom? (what are the three parts of an atom)

Protons, neutrons, and electrons 

200

What is the smallest part of an element? 

An atom

200

What is a compound? 

A substance made of two or more different elements

200

What kind of bond happens when electrons are shared?

Covalent bond

200

What are the three states of matter?

Solid, liquid, and gas

300

What charge does a proton have? 

Positive (+)

300
What number tells how many protons are in an atom? 

The atomic number

300

The commonly known element water (H2O) is a compound, what two elements make it? 

Hydrogen and oxygen

300

What kind of bonds happens when electrons are transferred? 

Ionic bond

300

Which state of matter takes shape?

Solid

400

What charge does an electron have?

Negative (-)

400

How many atoms in total are in one molecule of H2O?

3. (2 hydrogen + 1 oxygen)

400

Carbon dioxide (CO2) has how many oxygen atoms? 

Two

400

What kind of bond happens between metals?

Metallic bond

400

What happens to matter when heat is added? 

It moves faster, and spreads apart

500

What charge does a neutron have?

No charge (neutral)

500

Which elements symbol is "O"

Oxygen

500

True of false: all molecules are compounds

False (some molecules have only one element, like O2)

500

True or false: a covalent bond happens with metal

False. They only happen with nonmetals 

500

What is it called when a cold drink "sweats" on a cool day?

Condensation 

M
e
n
u