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Parts of an Atom
What is Matter?
Atomic Masses
Atomic Numbers
Elements and Compounds
100
The inner part of an atom that contains the proton and the neutron is called the __________.
Nucleus
100
This is anything that takes up space (has a mass).
matter
100

An atomic mass of 58.833 should be rounded to 58 or 59

59

100
Atomic numbers of an atom are the same as the number of what in an atom?
protons
100

What is a molecule?

two or more atoms joined together by chemical bonds.

200
These particles have a positive charge and are found inside the nucleus.
proton
200
The smallest pieces of matter are called __________.
atoms
200

An atomic mass of 79.333 should be rounded to 79 or 80

79


200

Carbon's (C) atomic number is _______.

6

200

What is an element?

two or more of the SAME atoms joined together by chemical bonds.

300
These particles are located within the nucleus, and have no charge.
Neutron
300

Give an example of matter

desk, chair, person, answers may vary

300

True or false: The atomic mass is usually the number at the bottom of the square.

True

300

The number of protons is usually the same as the number of....

electrons

300

What is a compound?

two or more DIFFERENT atoms joined together by chemical bonds.

400
These particles are negatively charge and are found outside the nucleus.
electrons
400

Ice, liquid water, and water vapor are all examples of types of

matter

400

True or false: The atomic mass is the same as the atomic number.

False
400

How many neutrons are in Nitrogen (N)?

14-7=7

400

Is NaCl (salt) an element or compound?

Compound- 2 different atoms

500
Most of the mass of an atom is located here.
nucleus
500

True or False: Air is not matter because you cannot see it.

False. It has mass and takes up space, so it is matter.

500

How do you find the number of neutrons in an atom?

Rounded atomic mass - atomic number

500

How many neutrons are in Boron (B)?

11-5=6

500

Is O2 (oxygen) an element or compound?

Element- 2 of the same atom