RETEST: Matter & Energy

Which element is classified as a metalloid?

What are the best headings for columns A, B, and C?

A= ​ (a)  

B= ​ ​ (b)  

C= ​ (c)  

• Metal
• Nonmetal
• Metalloid

Which element most likely has a shiny luster?

A simplified version of the Periodic Table of Elements is provided below. In which location on the Periodic Table are the nonmetals found?

The diagram shows a model of an atom of Helium. Which subatomic particles would you find in the nucleus of this atom? (a)  

• Electrons and protons
• Electrons and neutrons
• Protons and electrons
• Protons and neutrons

Tags

NGSS.MS-PS1-1

Label the atom with the correct titles

c

d

e

b

a

valence electron

nucleus

negative charges

atomic mass

electron

Tags

NGSS.MS-PS1-1

Complete an APE MAN to find neutrons for an atom with the atomic number of 14.

Tags

NGSS.MS-PS1-1

Organize these options into the right categories

Groups:

(a) Metals

,

(b) Non-metals

,

(c) Metalloids

• poor conductors of heat and electricity
• good conductors of heat and electricity

• malleable and ductile

• often gases or liquids at room temperature
• brittle and dull

• properties of both metals and non-metals
• located between metals and non-metals on the periodic table
• ductile

Match the following chemical formulas with descriptions

• glucose molecule

• H2O

• one molecule of water

• NaCl

• two molecules of methane

• C6H12O6

• one molecule of salt

• 2CH4

• one molecule of carbon dioxide

• CO2

Tags

NGSS.MS-PS1-1

Match the following atom totals to their formulas

• 12 hydrogen atoms

• 4CO2

• 8 oxygen atoms

• 6O2

• 4 hydrogen atoms

• 5NH3

• 12 oxygen atoms

• 2H2O

• 5 nitrogen atoms

• 3CH4

Tags

NGSS.MS-PS1-1