Atoms Review

The currently-accepted model of the atom is called the ________________.

• Plum Pudding Model

• Electron Cloud Model

• Planetary Model

• Nucleocentric Model

The atomic mass is determined by:

• Protons

• Neutrons

• Electrons

• Protons & Neutrons

• Neutrons & Electrons

How many protons does Bromine have?

Which element has two energy levels and five valence electrons?

• Nitrogen

• Phosphorus

• Strontium

• Carbon

• Antimony

Atoms of the same element that have a different number of neutrons are called _______________.

• Ions

• Isotopes

• Molecules

• Neutral atoms

Atoms are placed on the periodic table in order of increasing ______________.

• Atomic number

• Mass number

• Diameter

• Weight

Atoms that have a different number of electrons than protons are called _______.

• Oxides

• Ions

• Acids

• Isotopes

What do the dots around the chemical symbol shown in the picture represent?

• Valence electrons

• Protons

• Total electrons

• Electrons closest to the nucleus

Tags

NGSS.MS-PS1-1

What are vertical columns on the Periodic Table called?

• Periods

• Groups

• Rows

• Axis

What are horizontal rows on the Periodic Table called?

• Periods

• Groups

• Columns

• Flags