Chemistry » Page 15

Chemistry

Cohen Kerr

One office building contains only incandescent lights. The building next door contains only fluorescent lights. Predict which building has higher energy bills. Explain your answer.

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Chemistry

Damaris Mayer

Which list of nuclear emissions is arranged in order from the greatest penetrating power to the least penetrating power?

(1) alpha particle, beta particle, gamma ray

(2) alpha particle, gamma ray, beta particle

(3) gamma ray, alpha particle, beta particle

(4) gamma ray, beta particle, alpha particle

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Chemistry

Brooke Hicks

Can i make slime with mirror starch

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Chemistry

Mariyah Butler

If you throw a pebble into a glass of hot water, is the resulting mixture a solution?

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Chemistry

Blackburn

How many moles are in 3.01 x10^22 atoms of magnesium?

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Chemistry

Shannon Richardson

Scientific notation of 230

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Chemistry

Victor Adkins

If an element has an atomic number of 20 and a mass number of 41, what is the:

Number of protons? c) Number of electrons?

Number of neutrons? d) Complete symbol?

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Chemistry

Ty

What electron subshell is being filled for the rare earth series of elements on the periodic table? What electron subshell is being filled for the actinide series?

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Chemistry

Ana Peterson

Is (NH4) 2 a ionic compound

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Chemistry

Ellen Mercer

Given the equation zn (s) + 2 hcl (aq) → zncl2 (aq) + h2 (g), what mass of hydrogen gas is produced when 2.8 g zn is reacted with excess aqueous hydrocholric acid?

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Chemistry

Dallas Lewis

Ionic bonds form when electrons are-

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Chemistry

Oswaldo Lewis

What is a fault? Explain the characteristics of the three types of fault.

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Chemistry

Abril Hensley

Name the element that has atoms with the same electronic structure as sulfur ion

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Chemistry

Piglet

Hazardous waste recycling facilities will only collect batteries.

True

False

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Chemistry

Guest

What does a compound always have

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