Science Midterm Chapter 10 Flashcards

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1
Q

The metals in groups 3-12 are named the

A

Transition metals

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2
Q

An element key shows the name, symbol, state of matter, atomic number, and

A

Mass number

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3
Q

The first periodic table, created by Mendeleev, was organized by the physical property

A

Atomic Mass

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4
Q

This group can react with metals and form salts, they all end with -ine

A

Halogens

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5
Q

What describes a metal’s ability to reflect light

A

Luster

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6
Q

96% of the mass of your body comes from just four elements in which group

A

Nonmetals

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7
Q

This group will not naturally react with the other elements

A

Noble gasses

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8
Q

What is the most common element found in the universe, making up roughly 75% of the elemental mass

A

Hydrogen

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9
Q

Mosely solved the problem with Mendeleev’s table by ordering things based on

A

Atomic number

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10
Q

The group that contains semiconductors is the

A

Metalloids

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11
Q

Which group represents gases at room temperature

A

nonmetals

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12
Q

If a piece of gold that has a mass of a paper clip can be pulled into a wire that is more than 3 Km long, this is the property of

A

Ductility

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13
Q

Patterns in properties are easily observed in the rows of the table, we call these

A

Periods

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14
Q

Alkali metals are in the first column of the periodic table, we call these collumns

A

Groups

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15
Q

All of the elements to the left of group 12 are metals except

A

Hydrogen

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16
Q

The metals in group 2 are called

A

Alkaline earth metals

17
Q

Metals that are very reactive and have low densities are found in the group named

A

Alkali metals

18
Q

Which group represents the majority of the table

A

Metals