Matter and Atomic Structure

Which correctly identifies the part of the atom?

• electron

• nucelus

• electron

• proton

Tags

NGSS.MS-PS1-1

If the 2 atoms shown are the same element, which statement is true?

• They have a different number of electrons

• They have a different number of electron clouds

• They have a different number of neutrons

• They have a different number of protons

Tags

NGSS.MS-PS1-1

The figure shows the periodic table. What does X represent?

• atom

• cpmpound

• element

• mixture

Tags

NGSS.MS-PS1-1

Which class of matter is the least evenly mixed?

• compounds

• heterogeneous mixtures

• homogenous mixtures

• solutions

• atom

• compund

• element

• mixture

Tags

NGSS.MS-PS1-1

The loss of the structure labeled U in the figure above results in the formation of what?

• isotope

• ion

• element

• atom

Tags

NGSS.MS-PS1-1

Which particles make up the nucleus of an atom?

• protons and neutrons

• electrons and protons

• electrons, protons, and neutrons

• electrons and neutrons

The number at the top of each square on the periodic table is the ...

• atomic number

• atomic mass

• Chemical Symbol

• Element Name

Tags

NGSS.MS-PS1-1

What is the chemical symbol for Lithium?

• H

• He

• Li

• N

How many atoms of Hydrogen are in this compound

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1