Chemistry Holiday Homework Review 2024

Atoms are made up of

• Positive protons and negative neutrons in the nucleus and neutral electrons in the orbitals

• Positive protons and neutral neutrons in the nucleus and negative electrons in orbitals

• Positive protons and negative electrons in the nucleus and neutral neutrons in orbitals

• Negative protons and neutral neutrons in the nucleus and positive electrons in orbitals

What does Z represent

• Atomic number

• Mass number

• Element symbol

• Number of neutrons

Choose two isotopes

• Carbon - 14

• Nitrogen - 14

• Carbon - 12

• Oxygen - 13

An ion is an atom that has

• Lost or gained one or more protons

• Lost or gained one or more neutrons

• Lost or gained one or more electrons

• Lost or gained one or more nuclei

When an atom is heated, the electrons absorb energy and jump to a higher energy level. This is known as the

• ground state

• relaxed stated

• mellow state

• excited state

Choose the correct electronic configuration of an oxygen atom

• 2,6

• 2,8

• 2,8,6

• 2,5

Using the Schrodinger model, choose the correct electronic configuration for Bromine

• 
• 
• 
• 

On the periodic table, the group number tells you

• The number of neutrons

• The number of protons

• The number of electron shells

• The number of valence electrons

On the periodic table, the period number tells you

• The number of electron shells

• the number of valence electrons

• The number of protons

• The number of neutron

The d Block elements are called

• Alkali metals

• Transition metals

• Alkaline earth metals

• Halogens