Structure of Matter

Which of the following are examples of an element? (Select all that are correct)

• Hydrogen

• Gold

• Baking Soda

• Citric Acid

• Helium

• 3

• 24

• 12

• 18

Tags

NGSS.MS-PS1-1

What are the three particles that make up an atom?

• Protons, Neutrons, Ions

• Electrons, Neutrons, Protons

• Elections, Neuters, Proteins

• Protons, Isotopes, Electrons

Carbon dioxide (CO₂) contains how many atoms of oxygen?

• 0

• 1

• 2

• 3

Tags

NGSS.MS-PS1-1

True or False: An element is made up of only one type of atom.

• True

• False

Tags

NGSS.MS-PS1-1

Solid material whose atoms are arranged in an ordered pattern

• Matter

• Molecule

• Crystal

• Substance

How are crystals grouped?

• According to their sizes

• According to the elements that make them up

• According to their colors

• According to the shapes of their crystal lattice

What do we call a substance consisting of a single type of atom?

• molecule

• element

• compound

• substance

On the basis of Rutherford's Model of an atom, which sub-atomic particle is present in the nucleus of an atom.

• proton and electron

• neutron and electron

• proton and neutron

• proton only

Tags

NGSS.MS-PS1-1

if the first and second energy levels of an atom are full, then what would be the total number of electrons in the atom?

• 6

• 8

• 10

• 18