Chemistry Periodic Table basics

What is the number of protons in an O²⁺ ion?

• 6

• 8

• 10

• 16

Tags

NGSS.MS-PS1-1

What is the atomic # of an Al³⁺ion?

• 27

• 16

• 13

• 10

Tags

NGSS.HS-PS1-1

Which statement is true about the following particle:

¹⁰⁷₄₇Ag^-

• It has 47 protons, 47 neutrons and 60 electrons

• It has 47 protons, 60 neutrons and 47 electrons

• It has 47 protons, 107 neutrons and 48 electrons

• It has 47 protons, 60 neutrons and 48 electrons.

Tags

NGSS.MS-PS1-1

A neutrally charged atom has the following information:

• 10 neutrons and 9 electrons

Identify the atom

• fluorine

• neon

• potassium

• nickel

Tags

NGSS.MS-PS1-1

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

A proton is....

• A negatively charged subatomic particle
• A positively charged subatomic particle
• A neutrally charged subatomic particle
• The only subatomic particle located in the nucleus

A neutron has a charge of

• +2
• No charge
• -1
• +1

In the modern periodic table elements are arranged by:

• atomic mass
• atomic number
• valence electrons
• number of isotopes

What is the chemical symbol for Sodium?

• S

• So

• Na

• Ca

How many neutrons does Chlorine have?

• 17

• 36

• 35

• 18

Tags

NGSS.MS-PS1-1