What is the order of the elements by atomic number (least to greatest)?

Hydrogen, Helium, Lithium, Beryllium

What is the periodic table of elements?

A display of all the atoms naturally and synthetically made on Earth,

A mixture of identical molecules composed of different atoms

What 4 things does the periodic table of elements show for each element?

Abbreviation, Atomic Number, Atomic Mass, and elemental name

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Periodic Table Of Elements

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Answers

1
How many electrons does Hydrogen have?
0
2
3
1
2
What is the order of the elements by atomic number (least to greatest)?
Helium, Lithium, Beryllium, Hydrogen
Beryllium, Lithium, Helium, Hydrogen
Hydrogen, Helium, Lithium, Beryllium
Lithium, Beryllium, Hydrogen, Helium
3
What is Oxygen's abbreviation?
R
OX
O
O2
4
What is the chemical formula for water?
RE
H2O
H2O
H2O1
5
How many atoms are in an element?
1
It depends on the atomic number
3
236
6
What is the periodic table of elements?
A book about every single element on earth.
A table with a bunch of elements on top.
A display of all the atoms naturally and synthetically made on Earth,
A display of cheese
7
Air is entirely made of oxygen.
False
True
8
There are man-made elements.
False
True
9
Everything on Earth can be put into a chemical formula using the elements.
False
True
10
What is a compound?
A molecule
2 of the same atom not connected
A mixture of identical molecules composed of identical atoms
A mixture of identical molecules composed of different atoms
11
What 4 things does the periodic table of elements show for each element?
freezing point, melting point, state at room temperature, and atomic mass
Abbreviation, Atomic Number, Atomic Mass, and elemental name
Melting point, atomic mass, freezing point, abbreviation
atomic number, elemental name, atomic mass, and state at room temperature
12
What is the lightest element?
Oxygen
Hydrogen
Carbon
Helium
13
How many groups can the elements be split into?
10
118
5
1
14
What group is hydrogen in?
Alkali Metals
Gases
Non-Metals
Alkaline Earth Metals
15
What subject does the periodic table go along with?
Chemistry
Astronomy
Elemental Study
Bioengineering
16
An element has to have at least one neutron.
True
False
17
How many protons does Hydrogen have?
2
0
1
3
18
What is atomic number number 63?
E (Europium)
Eu (Europium)
Rh(Rhenium)
R (Rhenium)
19
Air is entirely made up of the element with atomic number 8.
True
False
20
What is Barium's atomic number?
1
23
78
56

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