Chem review 2021

Changing this changes the element name

• protons
• neutrons
• electrons

Tags

NGSS.MS-PS1-1

Changing this changes the weight of an atom

• protons
• neutrons
• electrons
• protons and neutrons

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Changing this may cause an isotope 

• protons
• neutrons and electrons
• neutrons
• electrons

What is in an atom?

• Protons and Neutrons

• Protons, Neutrons, and Electrons

• Protons and Electrons

• Neutrons and Electrons

Tags

NGSS.MS-PS1-1

What is in the nucleus of the atom?

• Protons, Neutrons, and Electrons

• Protons

• Protons and Neutrons

• Neutrons

Tags

NGSS.MS-PS1-1

What are valence electrons?

• The total number of electrons in an atom

• The number of electrons in the outermost shell

• The number of electrons in the second shell

• The number of protons in the outermost shell

• 2
• 8
• 3
• 13

Tags

NGSS.MS-PS1-1

How many valence electrons does carbon have?

• 4

• 5

• 6

• 7

Tags

NGSS.MS-PS1-1

Rows on the periodic table are called _____ while columns are called _____.

• groups, families

• groups, periods

• periods, groups

• families, groups

The positive particles of an atom are

• electrons

• positrons

• neutrons

• protons