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WorksheetsScience
Total questions: 10
Worksheet time: 20mins
an atom that has 34 electrons is th
Au
Se
Br
He
an atom that has 20 electrons is th
Mg
Se
Ca
Ta
an atom that has 2 protons is the
He
Ag
Ca
H
The electrons have
Don`t have
Neutral Charge
Positive Charge
Negative charge
The protons have
Don`t have
Neutral Charge
Positive Charge
Negative charge
An ion is:
an atom with electrons
an atom without charge
a normal atom
an atom with charge
The cycle that has precipations in its process is
Carbon Cycle
Water Cycle
Nitrogen Cycle
Phosphorous Cycle
The cycle that has NO3 in its process is
Carbon Cycle
Water Cycle
Nitrogen Cycle
Phosphorous Cycle
The cycle that has PO4 in its process is
Carbon Cycle
Water Cycle
Nitrogen Cycle
Phosphorous Cycle
Humans get phosphorous because
Can absorb from environment
Can breath it from environment
Eats organism that contain it
Its own body can produce it easily
