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Chemistry

Give the quantum values of n, l, m and s for nitrogen

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Chemistry

Argon, krypton, and xenon are

a. noble gases.

b. lanthanides.

c. alkaline earth metals.

d. actinides.

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Chemistry

What can be observed about a substance that does not change the identity of that substance

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Chemistry

Mixing magnesium and aluminum together produces an excellent lightweight material from which to make airplane parts what is this type of mixture called

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Chemistry

After Rutherford bombarded gold foil with alpha particles, he concluded that the volume of an atom is mostly empty space. Which observation led Rutherford to this conclusion

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Cassandra Harmon

Chemistry

A 650 mL sodium bromine solution has a bromide ion concentration of 0.245 M. What is the mass (g) of sodium bromide in solution?

A) 103.

B) 0.00155.

C) 16400.

D) 16.4.

E) 0.159

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Chemistry

What does landslide mean

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Chemistry

How does magnesium and nitric acid react? (Observations)

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Chemistry

Describe each step in the phase change diagram when Ice from - 25 C changes to 135 C

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Chemistry

How do plants dissolve rock?

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Chemistry

What can you predict from an element's location on the periodic table?

it's properties

it's chemical name

it's chemical symbol

when it was discovered

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Chemistry

What describes the current model of the atom? A) That electrons and protons move randomly around a nucleus.

B) Electrons travel as waves in the electron cloud that surrounds the nucleus.

C) Electrons orbit the nucleus like planets orbit the sun.

D) Protons orbit the nucleus like planets orbit the sun.

My answer is C

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Chemistry

When the concentration of cl - (aq) is increased the concentration of ag + (aq) ?

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Chemistry

The Hoover Dam in Nevada, supplied by Lake Mead, generates hydroelectric power for several western states, including the numerous lights in Las Vegas. What statement accurately explains the potential energy that Hoover Dam uses to generate this power?

A) The large number of generators and height of the dam account for the potential energy.

B) The depth of Lake Mead and the large number of generators account for the potential energy.

C) The amount of water released through the dam and the dam's height account for the potential energy.

D) The quantity of water flowing into Lake Mead from the Colorado River accounts for the potential energy.

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Chemistry

How can I calculate the percent concentration of solution?

m solute = 15g

m solution = 100g

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