Atoms have no electric charge because they

Which subatomic particle has a negative charge

Using your periodic table and your knowledge of atomic structure, identify this neutral atom of one of the following elements

Which of the following elements have both metallic and nonmetallic properties

The diagram below shows the relative locations of five unidentified elements in the periodic table elements E, X, G, J, and L. Element X has an atomic number of "z". Which unidentified element has atomic number "z + 2"?

Particle models of four different types of matter are shown in the diagram below. Identify which of the models above BEST represents a pure compound.

Which of the following identifies the number and location of protons in a Lithium atom?

Metals in group 1 on the periodic table most commonly form which type of ion?

A scientist is measuring the mass of two boron (B) atoms. One atom has a mass of 10 amu. The other atom has a mass of 11 amu. The image to the right is a model of a boron atom with a mass of 11 amu. Which subatomic particles needs to be removed to represent a boron atom with an atomic mass of 10 amu?

Carbon-14 has an atomic mass of 14 and an atomic number of 6. What does this information reveal about the atoms of carbon-14?