Chemistry in Biology

A chemical bond that forms when electrons are shared

• Covalent bond

• Ionic bond

• Hydrogen bond

• Metallic bond

A chemical bond that forms when electrons are transferred from one atom to another

• Covalent bond

• Ionic bond

• Hydrogen bond

• Metallic bond

True or False. Atoms are the building blocks of matter.

• True

• False

Tags

NGSS.MS-PS1-1

Which particle in an atom is positively charged?

• Proton

• Neutron

• Electron

• Nucleus

Which particle in an atom is negatively charged?

• Proton

• Neutron

• Electron

• Nucleus

Which particle in an atom is neutral or has no charge?

• Proton

• Neutron

• Electron

• Nucleus

Protons and neutrons are located at the center of the atom called the (a)   .

Tags

NGSS.MS-PS1-1

A(n) (a)   is a pure substance made up of atoms of the same number of protons.

Two or more atoms bonded together which can be the same or different elements is a ________.

• Molecule

• Compound

• Element

• Atom

Tags

NGSS.MS-PS1-1

A pure substance formed when two or more different elements combine

• Molecule

• Compound

• Element

• Atom