2. Atoms & Elements

The behavior of an atom depends primarily on the __________.

Which type of force holds protons and neutrons together in the nucleus of an atom?

An example of an atom that has no charge is one that has:

Which is the smallest possible particle of an element that retains its chemical properties?

In which part of the Earth is phosphorus primarily found?

Which observation provides evidence that mercury has a partially molten (liquid) state at room temperature?

How many electrons are present in a neutral atom of elemental sodium (Na)?

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

Which of the following is the basic unit of matter and is the smallest particle of an element that retains its chemical properties?

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 of the following is closest to the diameter of a proton (in nanometers)?

Which of the following is the number of protons in a neutral atom of tin (Sn)?

How many protons are present in an atom of tellurium (Te)?

How many electrons are present in a neutral lithium atom?