22. Chemistry And Atoms Question Preview (ID: 50403)


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The world is made of___________particles called atoms.
a) tiny
b) large
c) heavy
d) soft

Atoms come from the ___________word meaning “ uncountable or invisible”.
a) English
b) Latin
c) Greek
d) Polish

An atom is the “ basic building blocks of____________”.
a) mountains
b) cameras
c) hair
d) matter

Air is made of atoms.
a) True
b) False
c)
d)

Scientists have discovered _________different kinds of atoms in our world.
a) 76
b) 43
c) 12
d) 92

A substance made of ___________kind of atom is called an element
a) many
b) one
c) three
d) several

____________is the most malleable of all the elements.
a) Gold
b) Uranium
c) Silver
d) Steel

Details you can observe visually are called properties.
a) True
b) False
c)
d)

A property of gold is that it is very expensive.
a) True
b) False
c)
d)

Elements are given a number (1 through 92) based on their__________.
a) color
b) value
c) weight
d) symbol

The number elements are assigned (1 through 92) is their ___________.
a) price tag
b) property
c) symbol
d) atomic number

_______________is the lightest of all elements it’s atomic number is 1.
a) Hydrogen
b) Helium
c) Uranium
d) Air

Uranium is the heaviest with an atomic number of_________.
a) 12
b) 76
c) 43
d) 92

Elements are also given a Symbol. This is a shorthand version of the name of the element.
a) True
b) False
c)
d)

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