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Laabri

Metals, Nonmetals, and Metalloids

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Last updated over 4 years ago
25 Nsɛmmisa
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1.

Most of the pure elements are solid at room temperature.

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4.

Metals do not conduct heat and electricity.

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5.

Pots and pans are made of metal because they are good thermal conductors.

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6.

How many nonmetals are there?

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10.

How many periods are on the periodic table?

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Questions 12 & 13
01:51
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12.

3 characteristics of alkali metals include; highly reactive, low melting points, conduct electricity.

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13.

The alakli metals have 2 electrons in their outer shell.

Questions 14 & 15
01:37
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14.

3 characteristics of alkaline earth metals include; low density, hard, silver metals, ductile, and malleable.

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15.

Alkaline earth metals are found in nature as compounds.

Questions 16 & 17
02:45
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16.

There are 40 elements that are the transition metals.

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17.

Most of the transition metals are attracted to a magnetic field and have high melting points.

Questions 18 & 19
04:06
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18.

How many elements are used to build your cell phone?

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Questions 20 & 21
01:08
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20.

Elements 47 to 71 are lanthanides.

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21.

Elements from 89 to 103 are the actinides.

Questions 22 & 23
03:56
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22.

Halogens are toxic.

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23.

When halogens are made into compounds thery form useful products.

Questions 24 & 25
04:12
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24.

The noble gases all have full valance electron shells.

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25.

The noble gases are unstable and very reactive.

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2.

How many elements are a gas?

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3.

What 2 elements are a liquid at room temperature? (pick 2)

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7.

The nonmetals are located to the left of the bolded zig zag line.

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8.

Oxygen, helium and neon are nonmetals.

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9.

How many metalloids are there?

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11.

How many groups/families are on the periodic table?

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19.

Properties of metals are opposite from nonmetals.