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Vocab
Subatomic Particles
The Periodic Table
More Vocab
Miscellaneous
100

Protons and neutrons are located in the center of an atom called the _________.

Nucleus

100

The subatomic particle with a positive charge.

Proton

100

N, C, Pb, and Ne are symbols for ________.

Elements

100

All matter is made up of tiny particles called ______.

Atoms

100

What kind of electric charge does a normal atom have?

Neutral

200

This determines the identity of an element. (Hint: this is equal to the atomic number)

# of Protons

200

The subatomic particle with a negative charge.

Electron

200

Where do you look to find the atomic number of an element? 

The top corner.

200

Almost all of the mass of an atom is found in the _________.

Nucleus

200

Where do you look to find the atomic mass/mass number?

The bottom of the box below the name and symbol.

300

Horizontal rows are called _________ while vertical columns are called ___________.

Periods and Groups.

300

This subatomic particle has no charge (it's neutral).

Neutron

300

The noble gas family is located in group ___ on the periodic table.

18

300

What are the elements in group 17 called?

Halogens

300

Where are electrons located?

In the electron shell/cloud.

400

Charged atoms.

Ions

400

The mass number/atomic mass depends on the number of __________ and ___________.

Protons and neutrons.

400

Elements in groups 3 through 12 are called the ___________________.

Transition metals

400

What is the mass number of an atom that contains 30 protons, 30 electrons, and 35 neutrons?

65

400

For the element Nitrogen, what is the mass number, atomic number, and classification (metal, nonmetal, metalloid)?

Mass number=14, Atomic number=7, and classification=nonmetal

500

Define isotopes.

Atoms that have the same number of protons but different numbers of neutrons.

500

How many protons, neutrons, and electrons does the element Sodium (Na) have?

11 protons, 12 neutrons, and 11 electrons.

500

How do you find the number of neutrons?

Atomic mass - Atomic number. 

500

Electrons in the highest energy level/outermost shell are called ___________________.

Valence electrons

500

For the isotope Cobalt-62, how many protons, neutrons, and electrons does it have?

27 protons, 35 neutrons, and 27 electrons.