Unit 1 Test review: Nature of Matter & Properties of water

What is the nucleus of an atom?

• An atom that has gained or lost electrons

• Small, dense region consisting of protons and neutrons at the center of an atom

• Atoms with the same number of protons but different numbers of neutrons

• Bond formed when atoms share electrons

Tags

NGSS.HS-PS1-8

Which of the following describes an ionic bond?

• Bond formed when atoms share electrons

• Formed when one atom donates an electron to another atom

• An atom that has lost electrons and becomes positively charged

• The small, dense region consisting of protons and neutrons at the center of an atom

What is an isotope?

• Atoms with the same number of protons but different numbers of neutrons

• An atom that has gained electrons and becomes negatively charged

• Bond formed when atoms share electrons

• Formed when one atom donates an electron to another atom

Tags

NGSS.HS-PS1-8

Which definition matches a covalent bond?

• Bond formed when atoms share electrons

• An atom that has lost electrons and becomes positively charged

• Formed when one atom donates an electron to another atom

• Atoms with the same number of protons but different numbers of neutrons

What is an ion?

• Atom that has gained or lost electrons

• An atom that has lost electrons and becomes positively charged

• Atoms with the same number of protons but different numbers of neutrons

• Bond formed when atoms share electrons

Which of the following describes a cation?

• Atom that has gained electrons and becomes negatively charged

• Atom that has lost electrons and becomes positively charged

• Bond formed when atoms share electrons

• Formed when one atom donates an electron to another atom

What is an anion?

• Atom that has lost electrons and becomes positively charged

• Atom that has gained electrons and becomes negatively charged

• Atoms with the same number of protons but different numbers of neutrons

• The small, dense region consisting of protons and neutrons at the center of an atom

What is matter?

• The basic unit of matter

• Substance made from two or more different elements joined together

• Pure substance that consists of only one type of atom

• Anything that has mass and takes up space

Tags

NGSS.MS-PS1-5

What is an atom?

• The basic unit of matter

• Negatively charged particles

• Pure substance that consists of only one type of atom

• Has no charge

Tags

NGSS.MS-PS1-1

Which definition matches a compound?

• Pure substance that consists of only one type of atom

• Negatively charged particles

• Substance made from two or more different elements joined together

• The basic unit of matter