Chem Final

Which of the following best describes a neutron?

• Negative, nucleus

• Positive, outside nucleus

• Neutral, nucleus

• Positive, electron cloud

What is the mass of a neutron?

• 0 amu

• 1 amu

• 0.0005 amu

• 2 amu

Tags

NGSS.HS-PS1-8

What part of an atom contains the electrons?

• The nucleus

• The electron cloud

• The cytoplasm

• The neutron

The number of protons in an atom is also known as the:

• Mass number

• Atomic mass

• Atomic number

• Isotope number

The atomic number of an element is equal to:

• Protons + neutrons

• Only neutrons

• Only protons

• Electrons + neutrons

Isotopes are atoms of the same element with different numbers of:

• Protons

• Electrons

• Energy levels

• Neutrons

Ions are atoms with a charge due to the gain or loss of:

• Protons

• Neutrons

• Electrons

• Isotopes

Tags

NGSS.MS-PS2-3

Elements in the same group have the same number of:

• Protons

• Neutrons

• Valence electrons

• Mass numbers

Elements in the same period have the same number of:

• Valence electrons

• Protons

• Electron energy levels

• Neutrons

Metals are generally:

• Brittle and poor conductors

• Dull and reactive

• Good conductors and malleable

• Found on the right side of the periodic table