Atomic Models

Which of the following elements has 13 electrons?

• Nitrogen
• Aluminum
• Silicon
• Phosphorus

Tags

NGSS.MS-PS1-1

What is the atomic number of Chlorine (Cl)?

• 17
• Cl
• 35.453
• Chlorine

Tags

NGSS.MS-PS1-1

Which element below has 11 protons?

• Boron (B)
• Nitrogen (N)
• Silicon (Si)
• Sodium (Na)

Tags

NGSS.MS-PS1-1

The number of protons and electrons are the same as

• Neutrons
• Atomic number
• atomic mass
• Electron shells

Tags

NGSS.MS-PS1-1

The section labeled D is known as the?

• Electron cloud
• Neutron
• Nucleus
• Electron

Tags

NGSS.MS-PS1-1

Letter A Is positively charged particle called?

• Neutron
• Proton
• Electron
• Atom

Tags

NGSS.MS-PS1-1

How many electron shells does this atom have?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

How many protons does this element have?

• 6
• 4
• 2
• 3

Tags

NGSS.MS-PS1-1

What atom is depicted on the right?

• Hydrogen
• Helium
• Lithium
• Beryllium

Tags

NGSS.MS-PS1-1

The smallest unit of matter is called?

• An electron
• An element
• An atom
• A solid

Tags

NGSS.MS-PS1-1