Chemistry Semester 1 Review

How many periods are there on the Periodic Table?

• 7

• 18

• 5

• 10

How many groups are there on the Periodic Table?

• 7

• 18

• 5

• 10

How are the metals and non-metals divided on the Periodic Table?

• Metals on the right and non-metals on the left

• The stair step "valley" of metalloids is in between

• They are not divided at all

• Non-metals are at the top of the table, and metals are at the bottom

Which element does NOT belong to any of the regions of the Periodic Table?

• Gold (Au)

• Potassium (K)

• Carbon (C)

• Hydrogen (H)

The ​atomic number tells us how many ​ _____ are in the atom.

• periods

• protons

• neutrons

• electrons

The ​protons have a ​_______ charge and are found ​______ the nucleus.

• negative

• positive

• inside

• outside

The electrons have a _______ charge and are found ________ the nucleus.

• positive

• negative

• outside

• inside

Neutrons have a ______ charge and are found _______ the nucleus.

• neutral

• positive

• outside

• inside

The three particles in an atom are:

• protons, neutrons, electrons

• proton, neutron, nucleus

• nucleus, energy level, electron

• proton, nucleus, electron

Tags

NGSS.MS-PS1-1

_______ is used to hold solutions to heat.... NOT used to measure volume.

• graduated cylinder

• balance

• stirring rod

• beaker