Physical Science Unit 1 Study Quizizz

___________ have a positive charge. ____________ have a negative charge. _____________ have no charge.

• electrons; protons; neutrons

• protons; neutrons; electrons

• neutrons; protons; electrons

• protons; electrons; neutrons

What is the mass of an atom if it has 11 protons, 12 neutrons, and 11 electrons?

• 22
• 11
• 34
• 23

Tags

NGSS.MS-PS1-1

What two particles determine the mass number?

• Protons and electrons

• Electrons and neutrons

• Protons and neutrons

The vertical (up and down) columns in the Periodic Table are called ______________ which determine the number of valence electrons an element has.

• groups

• towers

• periods

• atomic numbers

What particle uniquely identifies an element?

• Number of Valence Electrons
• Number of Protons
• Number of Electrons
• Atomic Mass

What element is represented in this Bohr Model?

• Carbon

• Hydrogen

• Aluminum

• Lithium

Tags

NGSS.MS-PS1-1

Why is the overall charge of an atom neutral (0)?

• They have the same number of protons and neutrons.

• They have the same number of protons and electrons.

• They have the same number of electrons and neutrons.

Tags

NGSS.MS-PS1-1

The horizontal (side to side) rows in the Periodic Table are called ______________ which determine how many energy levels an element will have.

• groups

• families

• periods

• atomic numbers

Ions are: 

• atoms with a positive or negative charge
• atoms with no charge
• atoms with ONLY a positive charge
• atoms with ONLY a negative charge

How many neutrons does the isotope of lithium have?

• 8
• 3
• 4
• 5

Tags

NGSS.MS-PS1-1