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Productivity > Chemistry > Flashcards

Chemistry Flashcards

1
Q

Which subatomic particle has a positive charge?

A

Proton

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2
Q

What is the smallest particle of an element that retains the properties of that element?

A

Atom

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3
Q

What is the total number of protons in a helium atom?

A

2

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4
Q

Which subatomic particle has no charge?

A

Neutron

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5
Q

What is the atomic number of an element?

A

Number of protons in the nucleus

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6
Q

What is the mass number of an element?

A

Sum of protons and neutrons in the nucleus

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7
Q

What is the charge of an electron?

A

Negative

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8
Q

How many electrons can the first energy level of an atom hold?

A

2

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9
Q

What is the maximum number of electrons that can be in the second energy level of an atom?

A

8

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10
Q

What is the name for atoms of the same element with different numbers of neutrons?

A

Isotopes

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11
Q

Which subatomic particle is responsible for chemical bonding?

A

Electron

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12
Q

What is the charge of an atom that has gained an electron?

A

Negative

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13
Q

What is the charge of an atom that has lost an electron?

A

Positive

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14
Q

What is the number of valence electrons in a carbon atom?

A

4

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15
Q

What is the chemical symbol for oxygen?

A

O

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16
Q

How many electrons are in the outermost energy level of a nitrogen atom?

A

5

17
Q

What is the molecular formula for water?

A

H2O

18
Q

Which type of bond involves the sharing of electrons between atoms?

A

Covalent bond

19
Q

What is the charge of an atom that has equal numbers of protons and electrons?

A

Neutral

20
Q

What is the chemical formula for carbon dioxide?

A

CO2

21
Q

What is the total number of electrons in a nitrogen atom?

A

7

22
Q

Which element has 6 protons and 6 neutrons in its nucleus?

A

Carbon

23
Q

How many electrons are in the second energy level of a sodium atom?

A

8

24
Q

What is the chemical symbol for sodium?

A

Na

Productivity (2 decks)

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