4. Atoms and Elements

Which statements completed with a to e will be true and which will be false? An atom of N compared to an atom of Li has a larger (greater) c. number of protons

How many protons does a copper atom have?

An atom has 13 protons, 14 neutrons, and 13 electrons. Which element is it?

Which element has 17 protons in its nucleus (atomic number 17)?

Which element has 31 protons in its nucleus?

How many protons are in a neutral sodium atom (Na)?

Which element has the greatest number of protons in its nucleus?

Which element has 49 protons in its nucleus?

In the simplified atomic model, what is the approximate mass of one neutron?

Which element has 38 protons in its nucleus?

In a neutral atom of lithium (Li), how many protons are in the nucleus?

Which element is represented by an atom that has 2 protons, 2 neutrons, and 2 electrons?

How many protons are in an atom of sodium (Na)?

Which element has 56 protons in its nucleus?

How many protons are in an atom of magnesium (Mg)?