Atomic Symbols

What is the chemical symbol for the element hydrogen

• H

• He

• h

• he

What is the chemical symbol for the element Silicon

• S

• Si

• si

• Sl

What is the chemical symbol for the element Carbon

• ca

• co2

• C

• Cd

What is the chemical symbol for the element Nitrogen

• Ni

• N

• No

• Nb

Silicon has a mass number of 28 and an atomic number of 14. How many protons does it have?

• 28

• 14

• 42

• 7

Tags

NGSS.MS-PS1-1

How many protons, neutrons, and electrons does sulfur have? It's atomic number is 16 and it's atomic mass is 32.

• 16 protons, 16 neutrons, and 16 electrons

• 16 protons, 32 neutrons, and 16 electrons

• 16 protons, 16 neutrons, and 32 electrons

• 32 protons, 16 neutrons, and 16 electrons.

Tags

NGSS.MS-PS1-1

What is the chemical symbol for the element Chlorine

• C

• Cl

• cl

• Ch

What is the chemical symbol for the element Calcium

• C

• Ca

• Cl

• CL

What is the chemical symbol for the element Potassium

• K

• P

• Po

• Pt

What is the chemical symbol for the element Sodium

• Na

• So

• S

• Sd