10ESSPP Chemistry

What is the number of protons in the nucleus of an atom called?

• Mass Number

• Atomic Number

• Isotopic Number

• Nucleon

What is the basic building block of matter?

• Molecule

• Element

• Compound

• Atom

What is the electrostatic attraction between cations and a sea of delocalized electrons called?

• Ionic bonding

• Covalent bonding

• Metallic bonding

• Van der Waals forces

What unit represents a specific number of particles, such as atoms or molecules?

• Mole

• Gram

• Liter

• Joule

Which term represents a chemical equation using words to describe the reactants and products?

• Molecular equation

• Word equation

• Balanced equation

• Ionic equation

In which part of the atom are protons and neutrons located?

• Electron cloud

• Nucleus

• Energy levels

• Electron shells

What is the term for combinations of different substances that are not chemically bonded?

• Elements

• Compounds

• Mixtures

• Alloys

What is a chemical equation used to represent?

• Electron configuration

• Atomic structure

• Chemical reaction

• Molecular formula

What term describes different forms of the same element with the same number of protons but different numbers of neutrons?

• Isomer

• Isotope

• Ion

• Allotrope

What is the term for the giant covalent structure composed of carbon atoms arranged in a hexagonal lattice?

• Diamond

• Graphite

• Fullerene

• Amorphous carbon