What's that element?
Name this element -
It has 12 protons
What is Magnesium?
What are the rows on the periodic table called?
Periods
What are the correct units for mass?
grams
Protons have what charge?
Postive
A covalent bond is between...
A nonmetal and another nonmetal or metalloid
Name this element -
It has 16 protons
What is sulfur?
What are the columns on the periodic table called?
Groups or families
What are the correct units for volume?
ml or cm3
Neutrons have what charge?
Neutral
An ionic bond is between...
A nonmetal and a metal
Name this element -
It is in period 3, group 15
What is phosphorus?
The atomic number tells us what about an element?
The number of protons and electrons
What are the correct units for density?
g/ml or g/cm3
The nucleus is made up of
Protons and neutrons
Is H2O an ionic or covalent bond?
Name this element -
It has 4 neutrons
What is Lithium?
The atomic mass of an element represents…
the weight of protons and neutrons
You have a rock with a volume of 15cm3 and a mass of 45g. What is its density?
3g/cm3
What is an ion?
An atom that has lost or gained electrons
In the ionic bond between calcium and sulfur, what charge does each atom have?
Calcium has a positive charge and sulfur has a negative charge
Name this element -
It has 20 neutrons
What is calcium?
Potassium, Silver, Nickel, Arsenic
All of these elements are in the same period except…
Silver
You have a different rock with a volume of 30cm3 and a mass of 60g. What is its density?
2g/cm3
How many electrons fit in the first shell?
Two
What is the most electronegative element?
Fluorine