Chemistry Final

The SI unit for temperature is __?__.

• degree fahrenheit  (° F)
• degree celsius  (° C)
• kelvin  (K)
• degree centigrade  (°C)

The metric prefix "kilo" means __?__.

• one tenth (0.1)

• one thousandth (0.001)

• one hundred (100)

• one thousand (1,000)

Which lists metric units, in order, from smallest to largest?

• milligram, centigram, gram
• kilogram, gram, centigram
• decagram, hectogram, milligram
• kilogram, hectogram, decagram

You know 1000 mg = 1 g.  Convert 2.5 grams into milligrams.

• 25 mg
• 25,000 mg
• 250 mg
• 2500 mg

Tags

CCSS.4.MD.A.1

How many minutes are in 17 years?

• 5,256,000min

• 525,600min

• 8,935,200min

• 31,536,000min

How many seconds are in 4 days?

• There are only seconds in a minute.

• 354,600sec

• 86,400sec

• 345,600sec

What charge does a proton have?

• positive
• negative
• no charge
• neutral

Where are protons located in the atom?

• orbitals
• nucleus
• rings
• positive

Tags

NGSS.MS-PS1-1

If an atom loses an electron, does the atom become more positive or more negative?

• more positive
• more negative
• both
• neither

What electron configuration matches an oxygen atom?

• 1s²2s²2p⁶3s2, 3p⁶4s²3d¹⁰4p⁵
• 1s²2s²2p⁴
• 1s²2s²2p⁶
• 1s²2s²2p⁶3s²3p⁶4s²3d¹