chapter 3 "periodic table"

true or false: most of the elements on the periodic table are metals?

The subatomic particle with the least mass is the ____________________.

The _______________ is the average mass of all of the isotopes of an element.

Li, Na, K are in the same ____________ on the periodic table.

True or false: the modern periodic table is arranged by increasing atomic mass.

true or false: an atom always has the same number of protons and electrons.

which subatomic particles are found in the nucleus?

True or false: elements in the same period have similar properties.

What period is the element Magnesium (Mg) part of?

how many electrons can the first shell hold?

What is the name of the most reactive metals?

What group does potassium (K) belong to?

Which group name means "salt formers" ?

Which group of elements has properties of both metals and non-metals?

which is the LEAST reactive group of non-metals?

the very small center core of an atom is called its ____________________.

I'm the lightest element but its a VERY bad idea to use me in a blimp. what element am I?

true/false:you can predict an elements properties based on it's location on the periodic table.

Which group of elements is used for making coins and jewelry?