Atoms and The Periodic Table

In _______________________ atomic model, negative electrons orbit the positively charged nucleus.

• Thomson’s

• Dalton’s

• Democritus’s

• Rutherford’s

Tags

NGSS.MS-PS1-1

In _______________________ atomic model, negative electrons were like plums in a pudding with the pudding being positive.

• Thomson’s

• Dalton’s

• Democritus’s

• Rutherford’s

Tags

NGSS.MS-PS1-1

In _______________________ atomic model, the atoms was indivisible.

• Thomson’s

• Dalton’s

• Bohr's

• Rutherford’s

Using the element block, what is the Atomic Number?

• 3

• 6.941

• 7

• 4

Tags

NGSS.MS-PS1-1

Using the element block, what is the Mass Number?

• 3

• 6.941

• 7

• 4

Tags

NGSS.MS-PS1-1

Using the element block, what is the number of neutrons?

• 3

• 6.941

• 7

• 4

Tags

NGSS.MS-PS1-1

Using the element block, An element’s atomic number is equal to its number of . . .

• valence electrons

• neutrons

• protons

• protons and neutrons.

Tags

NGSS.MS-PS1-1

What is the goal of all atoms?

• lose electrons.

• get a complete outer energy level

• gain electrons.

• be the most massive.

Model that proposed that electrons orbited around the nucleus in energy levels

• Nuclear Model

• Planetary Model

• Plum Pudding Model

• Solid Sphere Model

Which of the following has the largest atomic radius?

• K

• Na

• Mg

• Ca