Periodic Table (1e)

Bernice draws an oxygen atom. She draws a small circle for the nucleus and draws dots around the nucleus to represent electrons. Which statements are true about her drawing? Select all that apply.

• There are 8 protons in the nucleus.

• There are 16 protons in the nucleus.

• There are 8 neutrons in the nucleus.

• There are 16 neutrons in the nucleus.

Tags

NGSS.MS-PS1-1

Select four of the following that have properties similar to neon.

• argon

• xenon

• fluorine

• radon

• krypton

Using the image, which two elements have properties that are the most similar?

• C and F

• He and Ne

• Al and Si

• N and S

The formula for baking soda is given.

NaHCO₃

This formula indicates that a molecule of baking soda contains

• 1 hydrogen atom, 1 sodium atom, 3 carbon atoms, and 3 oxygen atom.

• 1 sodium atom, 1 hydrogen atom, 1 carbon atom, and 3 oxygen atoms.

• 1 potassium atom, 1 helium atom, 1 carbon atom, and 1 oxygen atom.

• 1 carbon atom, 1 helium atom, 1 calcium atom, and 3 oxygen atoms.

Tags

NGSS.MS-PS1-1

How many atoms of chlorine are in a molecule of phosphorus trichloride, PCl₃?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

What do group numbers on the periodic table identify?

• The number of valence electrons in atoms.

• 
  The total number of electrons in atoms.

• 
  The number of protons in atoms.

• The number of neutrons in atoms.

Use the image to answer the following question:

Only two of the models are correct. Which models show atoms and molecules?

• model 1 and model 4

• model 2 and model 3

• model 2 and model 4

• • model 1 and model 3

  
  

Tags

NGSS.MS-PS1-1

Based on the information from the periodic table in the image, which mistake did Darnell make on his diagram in the image?

• Nitrogen should have eight protons instead of six.

• Nitrogen should have seven protons instead of six.

• Nitrogen should have six electrons instead of seven.

• Nitrogen should have eight electrons instead of seven.

Tags

NGSS.MS-PS1-1

Use the image of the periodic table to answer the following question:

Based on the information from the periodic table, if an atom with eleven protons and an atom with seventeen protons combined to form a compound, they would form which molecule modeled below?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Use the periodic table and image to answer the following question:

Which model did Odelia draw incorrectly?

• nitrogen (N)

• oxygen (O)

• fluorine (F)

• neon (Ne)

Tags

NGSS.MS-PS1-1