Review for Qtr. 1 District Assessment

Which of the following statements from Dalton's Atomic Theory on atom was later disproven?

• Atoms combine in whole number ratios

• Atoms are indivisible

• All matter is made up of atoms

• Atoms cannot be created or destroyed

Tags

NGSS.HS-PS1-7

Given the following nuclear symbol for an ion, determine the protons, neutrons and electrons in the ion.

• Number of protons = 53 Number of neutrons = 78 Number of electrons = 54

• Number of protons = 54 Number of neutrons = 78 Number of electrons = 53

• Number of protons = 53 Number of neutrons = 79 Number of electrons = 54

• Number of protons = 53 Number of neutrons = 78 Number of electrons = 53

Which scientist proposed the atomic model shown in this image?

• Rutherford

• Bohr

• Thomson

• Dalton

Which scientist proposed the atomic model shown in this image?

• Rutherford

• Bohr

• Thomson

• Dalton

Which scientist proposed the atomic model shown in the third image?

• Rutherford

• Bohr

• Thomson

• Dalton

Which scientist proposed the atomic model shown in the fourth image?

• Rutherford

• Bohr

• Thomson

• Dalton

Which image shows the orbital notation for Neon?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-1

Which series lists types of electromagnetic waves in order of decreasing (highest to lowest) wavelength?

• ultraviolet/X rays/gamma

• ultraviolet/infrared/visible

• visible/infrared/radio

• radio/microwave/infrared

Tags

NGSS.HS-PS4-1

The image shows an element whose average atomic mass is 85.5 amu. Which of the following statements best explains why the average atomic mass is 85.5 amu?

• There are more atoms with a mass of 85 than a mass of 87.

• There are more atoms with a mass of 87 than a mass of 85.

• The atom with a mass of 87 has more protons.

• The atom with a mass of 85 has few electrons.

Tags

NGSS.MS-PS1-1

An atom is found to have 4 p⁺, 3 n⁰ and 1 e^-. The atomic number of this atom is ______, its mass number is ____ is and it has a _____charge.

• 3,7,+

• 4,3,-

• 4,7,+3

• 3,1,neutral

• none of these

Tags

NGSS.MS-PS1-1