Chemistry

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

If an atom has 3 electrons, how many protons does it have?

• 1
• 2
• 4
• 3

Tags

NGSS.MS-PS1-1

The subatomic particle with a negative charge is the

• electron
• proton
• neutron
• nucleus 

Left of zigzag line

• metals
• nonmetals
• metalloid

Elements with similar properties

• Periods
• Groups

Tags

NGSS.HS-PS1-1

Where are electrons?

• Nucleus
• Orbits

Tags

NGSS.MS-PS1-1

On Periodic Table, how are elements ordered?

• color
• shape
• atomic number
• alphabetically

Oxygen gas

• O2
• O3
• O

which of the following is an example of a physical change?

• a car rusting
• cutting a piece of wood
• acid rain corroding a barn door
• water seperating into hydrogen and oxygen atoms.

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1