Periodic table, matter, density, electrons

The atomic mass is equal to the number of which subatomic particles?

• Protons

• Electrons

• Neutrons and protons

• Protons and Electrons

Match the following element with their number of valance electrons?

• 2

• Lithium

• 1

• Boron

• 5

• Nitrogen

• 4

• Magnesium

• 3

• Tin

Match the element to what period they are in?

• 2

• Gold

• 4

• Selenium

• 6

• Potassium

• 1

• Neon

• 4

• Helium

The ​​ (a)   minus the number of ​ (b)   equals the number of neutrons in an element.

• atomic mass
• protons
• electrons
• neutron
• atomic number

Group 18 consist of which family of elements?

• Metalloids

• Non-metals

• Halogens

• Noble Gases

What is the most common state matter in the periodic table

• Liquid

• Metal

• Gas

• Metalloid

Match the following elements to their family

• Alkali metal

• Boron

• Alkali Earth Metal

• Potassium

• Metalloid

• Gold

• Halogen

• Magnesium

• Transition Metal

• Fluorine

Which are subatomic particles?

• Protons

• Atoms

• Neutrons

• Electrons

What is the Atomic Mass for this elements?

How many neutrons does this element have?

Tags

NGSS.MS-PS1-1