2. Atoms & Elements

In which part of the Earth is phosphorus primarily found?

Which subatomic particle is found in the nucleus of an atom and has a positive charge?

How many protons are in an atom of lithium?

Which one of the following is the smallest unit of matter that has all the properties of an element?

Which statement correctly describes the distribution of electrons in a water molecule?

What is the overall charge of a neutral atom?

Which part of the atom is primarily involved in chemical bonding?

How many sets of chromosomes do diploid cells have?

What is the atomic number of magnesium?

Where are protons and neutrons found within an atom?

Atoms are chemically the most stable when which of the following occurs?

An atom has a mass number of 32 and 17 neutrons. What is the atomic number of this atom?

How many protons does a lithium atom have?

How many protons does a xenon atom have?

How many electrons are in the nucleus of an atom with an atomic number of 20?