What is the number in a chemical formula that tells you how many atoms of an element are there in a molecule called?
Subscript
How many types of atoms and the total number of atoms are present in an ozone molecule?
1 type of atom, 3 atoms in total
An oxygen molecule is made up of ………… oxygen atoms.
two
The atoms that form a molecule are either from the same ………………… or from different elements .
element
How many atoms are there in this molecule?
21
How many types of atoms are there in this molecule?
3
The ____________________ of a molecule shows the numbers and types of atoms it contains.
chemical formula
A water molecule is made up of ………. oxygen atom and ……….. hydrogen atoms.
1, 2
Which of the following chemical formulas contains the most types of atoms?
NaHCO3
CO
H2O
C6H12O6
Which of the following chemical formulas contains the most total number of atoms?
H2O
C3H8
CO
CO2
How many atoms are there in this molecule?
7
A________________ is made up of two or more atoms chemically combined together.
molecule
A molecule which is made up of atoms from different elements is called …………………
compound
Which of the answers below would be a correct chemical symbol of an element?
be
Be
bE
BE
One molecule of the compound carbon tetrachloride consists of one carbon atom and four chlorine atoms chemically combined. What is its chemical formula?
CCl4
How many types of atoms are there in this molecule?
3
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