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Chemistry CP Honors > Unit 2 > Flashcards

Unit 2 Flashcards

1
Q

What is the charge of a proton?

A

Positive

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2
Q

What is the charge of a neutron?

A

Neutral (No charge)

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3
Q

What is the charge of an electron?

A

Negative

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4
Q

What is the relative mass of a proton?

A

1

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5
Q

What is the relative mass of a neutron?

A

1

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6
Q

What is the relative mass of an electron?

A

1/1840

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7
Q

How do you find the mass number?

A

Protons + Neutrons

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8
Q

How do you find the amount of neutrons using the mass number?

A

Mass number - Atomic Number

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9
Q

A hydrogen atom has a mass number of 2. Write it in atomic notation.

A

H-2

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10
Q

A helium atom has 2 protons and 3 neutrons. Write it in atomic notation.

A

5
He
2

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11
Q

What is an isotope?

A

Atoms that have the same amount of protons but different amounts of neutrons and therefore different mass numbers.

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12
Q

What is the atomic number and chemical symbol for Bismuth

A

Bi-83

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13
Q

What is inside of a nucleus?

A

Protons and Neutrons

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14
Q

What is the charge of a nucleus?

A

Positive

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15
Q

What is the charge of an atom?

A

Neutral

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16
Q

Where are the electrons located?

A

In a cloud outside the nucleus.

17
Q

What is an atom?

A

The smallest type of particle that still keeps its identity during a chemical reaction.

18
Q

What are three types of subatomic particles?

A

Protons, neutrons, electrons

19
Q

How do you find the atomic mass?

A

Turn the percent abundance into a decimal, multiply by the mass, repeat with other isotopes, and then add all of those together.

20
Q

What was the first law in Dalton’s atomic theory?

A

Elements are made up of tiny indestructible particles called atoms.

21
Q

What was the second law in Dalton’s atomic theory?

A

Elements made up of the same atoms are the same, and elements made up of different atoms are different.

22
Q

What was the third law in Dalton’s atomic theory?

A

Atoms of different elements can chemically combine or physically mix together in simple whole-number ratios.

Chemistry CP Honors (3 decks)

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