Atoms and PT Basics Review

The positive particle in an atom.

• proton

• neutron

• electron

• electron cloud

Which of the labeled structures is a neutron?

• a

• b

• c

Tags

NGSS.MS-PS1-1

The negative particle in an atom.

• proton

• neutron

• electron

Which of the labeled structures is an electron?

• a

• b

• c

Tags

NGSS.MS-PS1-1

If an element has an atomic number of 11 and a mass number of 23, how many neutrons does it have?

• 11

• 12

• 23

• 34

The nucleus contains _____

• only protons
• protons and neutrons
• protons and electrons
• electrons and neutrons

Tags

NGSS.MS-PS1-1

What element is will have the most similar physical and chemical properties to the element Sulfur (S)?

• Carbon (C)
• Phosphorous (P)
• Oxygen (O)
• Neon (Ne

Tags

NGSS.MS-PS1-1

Elements that are arranged in __________ have the most similar physical and chemical properties to each other.

• periods
• groups

Periods on the periodic table are __________.

• Horizontal Rows
• Vertical Columns

Which group of the periodic table is composed of inert (not reactive)  gases?

• alkali metals
• alkaline earth metals
• halogens
• noble gases