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Chemistry > Periodic Table > Flashcards

Periodic Table Flashcards

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1
Q

Define ‘atom’

A

An atom is the smallest particle of an element that can exist on its own and still have the chemical properties of thayt element

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2
Q

Define ‘element’

A

An element is a pure substance made up of one type of atom

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3
Q

Some elements exist as single atoms, give examples of these elements

A

Carbon, Gold, Iron, and Copper

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4
Q

Some elements exist as molecules, give some examples of these elements

A

Oxygen, Nitrogen, Hydrogen, and Chlorine

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5
Q

define ‘compound’

A

Compounds are made up of 2 or more different atoms/elements

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6
Q

Give four examples of compounds

A

Carbon Dioxide (CO2), Water H2O), Sodium Chloride (NaCl), and Carbon Monoxide (CO)

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7
Q

Define ‘molecules’

A

Molecules are a group of atoms banded together representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.

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8
Q

Elements of the periodic table from 1-20

A

Hydrogen, Helium, Lithium, Beryllium, Boron, Carbon, Nitrogen, Oxygen, Fluorine, Neon, Sodium, Magnesium, Aluminum, Silicone, , Phosphorus, Sulfur, Chlorine, Argon, Potassium, calcium

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9
Q

Symbol for hydrogen

A

H

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10
Q

Which of the elements are the lightest?

A

hydrogen

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11
Q

Which element is mostly used in petroleum refining and fertilizer production?

A

hydrogen

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12
Q

What is the mass number for hydrogen?

A

1.008

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13
Q

Which element is commonly found in the sun and most of the stars?

A

Hydrogen

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14
Q

What group of elements does hydrogen fall under ?

A

Group 1A alkali metals

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15
Q

Name two of the inert gases on the periodic table

A

helium and argon

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16
Q

Which is the second lightest element on the periodic table?

A

helium

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17
Q

Helium becomes liquid at what temperature?

A

268.9 degrees Celsius / -452 degrees Fahrenheit

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18
Q

Chemical symbol for helium?

A

He

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19
Q

What is the most familiar use of helium

A

to fill party and parade balloons

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20
Q

Mass number for helium?

A

4.003

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21
Q

What group can helium be found in?

A

Group 8A (noble/inert gases)

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22
Q

Define lithium

A

a soft silver-white metal.

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23
Q

Which element is the lightest of the alkali metals?

A

lithium

24
Q

Chemical symbol for lithium?

A

Li

25
Q

What is the most important use of lithium?

A

in rechargeable batteries

26
Q

Mass number for lithium

A

6.941

27
Q

which group can lithium be found in

A

Group 1A alkali metals

28
Q

Define beryllium

A

a steel-grey, strong, lightweight and brittle metal

29
Q

Chemical symbol for beryllium?

A

Be

30
Q

Use of beryllium?

A

in gears and cogs (aviation industry)

31
Q

mass number for beryllium?

A

9.012

32
Q

Which element is commonly found in emeralds?

A

Beryllium

33
Q

Which group can beryllium be found in?

A

Group 2A Alkaline earth metals

34
Q

Define Boron

A

A non-metallic element that turns to solid at room temperature

35
Q

Which element is the only non metallic element in group 13?

A

Boron

36
Q

Which element has ‘several forms’?

A

Boron

37
Q

Chemical symbol for Boron?

A

B

38
Q

What are the most important compounds of boron?

A

boric acid (boracic), borax (sodium borate), and boric oxide

39
Q

Which element can be used to make bleach and as a food preservative?

A

Boron

40
Q

Mass number for boron?

A

10.811

41
Q

Which group can Boron be found in?

A

Group 3A Metalloids

42
Q

Define carbon

A

a non metallic element found more or less pure in nature or as a part of living things or things made artificially

43
Q

Chemical symbol for carbon?

A

C

44
Q

Impure carbon in the form of charcoal and coke is used in _______?

A

metal smelting

45
Q

What is graphite used for?:

A

in pencils and to make brushes

46
Q

mass number for carbon?

A

12.011

47
Q

Which element is found in the basis of life’s molecules?

A

Carbon

48
Q

Which group can carbon be found in?

A

Group 4A Nonmetals

49
Q

Define nitrogen

A

a colorless, odorless, tasteless gas that is the most abundant in earth’s atmosphere.

50
Q

Which element is the most plentiful in earth’s atmosphere?

A

Nitrogen

51
Q

Chemical symbol for nitrogen?

A

N

52
Q

Which element is used to make nylon, nitric acid, fertilizers, dyes, and explosives?

A

Nitrogen

53
Q

Which other element must nitrogen react with to produce ammonia?

A

hydrogen

54
Q

mass number for nitrogen?

A

14.007

55
Q

Which element is commonly found in protein?

A

nitrogen

56
Q

Which group can nitrogen be found in?

A

Group 5A pnictogens

Chemistry (9 decks)

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