Atoms Flashcards

0
Q

What is matter?

A

Anything that had MASS or VOLUME

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1
Q

What is a molecule.

A

Made up of two or more atoms.

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2
Q

What is a Chemical Symbol?

A

Representing an element

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3
Q

What is the Atomic Number?

A

Number of protons in the nucleus of an atom.

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4
Q

What is the Mass Number?

A

Sum of the protons and the neutrons in the nucleus of an atom.

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5
Q

What is the nucleus?

A

Small, dense POSITIVELY (+) charged center of an atom.

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6
Q

What is a proton?

A

Particle that has a POSITIVE charge(+))and is found in the nucleus of an atom.

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7
Q

What is an electron?

A

NEGATIVELY(-) particle found in an area outside the nucleus of an atom.

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8
Q

Nuetron

A

Particle with NO ELECTRIC CHARGE that is found in the nucleus of an atom.

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9
Q

All parts of the atom, and they charges they give are?

A

Neutron= has no charge
Proton=positive charge
Electron=negative charge
nucleus=positive charge, center of an atom

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