Science Flashcards

1
Q

The nucleus is made up of what two particles?

A

Neutrons and protons

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2
Q

What is a characteristic of a transition metal?

A

Luster (shiny)

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3
Q

The majority of the periodic table is made up of what?

A

Metals

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4
Q

Group number tells us the number of what?

A

Valence Electrons

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5
Q

Group 1 is known as what group?

A

Alkali metals

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6
Q

am i cool?

A

maybe :l

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7
Q

Which Group is unreactive?

A

Noble Gases

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8
Q

Group 17 is known as what group?

A

Halogens

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9
Q

Period number tells us what?

A

Number of energy levels

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10
Q

What do iron, copper, and nickel have in common?

A

They are transition metals

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11
Q

Which two are in the same group?
Li and K
C and B
Cl and S
Ne and F

A

Li and K

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12
Q

Elements in the same period have similar characteristics chemically.

A

False

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13
Q

The most reactive nonmetal group is what?

A

Halogens

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14
Q

How many valence electrons do the alkali metals have?

A

One

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15
Q

How many valence electrons do the alkaline earth metals have?

A

Two

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16
Q

How many valence electrons do the halogens have?

A

Seven

17
Q

How many valence electrons do the noble gases have?

A

Eight

18
Q

How many valence electrons do atoms want to have (octet rule)?

A

Eight

19
Q

Hypotonic

A

Less solute

20
Q

Isotonic

A

equal amount of solute and solvant

21
Q

Isotonic

A

Same amount of water and solute concentration