WorksheetsQuizizz Team Tie breaker
Total questions: 20
Worksheet time: 25mins
10 L of Hydrogen Gas ( H2 )
> Greater than one mole
= Equal to one mole
< Less than one mole
2.02 grams of Hydrogen Gas ( H2 )
> Greater than one mole
= Equal to one mole
< Less than one mole
6.00 x 1023 atoms
> Greater than one mole
= Equal to one mole
< Less than one mole
6.42 x 1023 Molecules
> Greater than one mole
= Equal to one mole
< Less than one mole
Calculate the molar mass of NH4NO2
50 g/mol
60 g/mol
64 g/mol
78 g/mol
In a double covalent bond
one atom has more than 8 valance electrons
one atom loses a pair of electrons
two atoms share two pairs of electrons
two atoms share 8 electrons
Select all the examples of elements.
Oxygen- O
Salt- NaCl
Hydrogen- H
Water- H2O
Gold- Au
How many molecules are in 2.5 mol of NaCl?
1.5 x 1024 molecules
1.5 molecules
4.15 molecules
1.5 x 1023 molecules
What is the empirical formula for C4H6?
CH
CH3
C2H3
C4H6
What is the empirical formula for N2S3?
NS
N3S2
N2S3
N1S1.5
