Elements compounds mixtures

What charge do neutrons have?

• Positive

• Negative

• Neutral

• No charge

Which part of the atom is neutral?

• Neutron

• Electron

• Proton

• Nucleus

What is the center of an atom called?

• Electron cloud

• Nucleus

• Proton center

• Neutron core

What is the main function of protons in an atom?

• To orbit the nucleus

• To provide mass

• To determine the element

• To hold the nucleus together

What is the term for the number of protons in the nucleus of an atom?

• Atomic mass

• Atomic number

• Mass number

• Isotope number

What is the diagram in the image illustrating?

• A molecule

• A cell

• An atom

• A compound

What is the symbol for Helium?

• H

• He

• Hi

• Hm

Which of the following is NOT an element?

• Gold

• Neon

• Lead

• Water

What type of metals are found in Group 1 of the periodic table?

• Transition metals

• Alkali metals

• Noble gases

• Halogens

What is the symbol for Lead?

• Ld

• Pb

• Le

• Pd