Atoms & The Periodic Table

Determine the group AND period of the element gold.

• Group 3, Period 1

• Group 6, Period 2

• Group 1, Period 3

• Group 11, Period 6

The number of __________ identifies the element.

• protons

• electrons

• neutrons

• quarks

Which element has a mass of about 12 amu?

• Helium

• Carbon

• Lithium

• Boron

What is the region around the nucleus that is occupied by electrons called?

• Electron space

• Electron cloud

• Nucleus

What particles are found in the nucleus of an atom?

• electrons and protons

• electrons and neutrons

• protons and neutrons

• protons, neutrons, and electrons

Tags

NGSS.MS-PS1-1

The maximum number of electrons allowed in the 2nd energy level of an atom is _________.

• 2

• 4

• 8

• 18

Which of the following has a negative electric charge?

• proton

• electron

• neutron

• nucleus

Which of the following is the correct electron dot diagram for aluminum (Al)?

• 
• 
• 

Tags

NGSS.MS-PS1-1

Which describes what an electron dot diagram represents.

• valence electrons

• all the electrons in an atom

• protons on the outer shell

• the reactivity of an atom

Tags

NGSS.HS-PS1-1

Vertical columns in the periodic table are called ________.