CHEMISTRY HIGH SCHOOL

NEED HELP ASAP PLEASEIdentify the type of bonding, covalent, ionic, or metallic, between
the atoms in an oxygen molecule.

Answers

Answer 1

Answer:

Answer:

here hope it helps

Explanation:

covalent bonds

Answer 2

Answer: What the guy said on top he is right.

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What is the difference between a mixture and compound?

Answers

a mixture is two or more elements just plain combined- salad, humans
a compound is two or more elements chemically combined- salt, water

Answer:

A mixture is physical, while a compound is chemical.

Explanation:

A mixture is a combination of two or more substances that are physically mixed together. The components of a mixture can be easily separated from one another by physical means, such as filtration or evaporation. The substances in a mixture retain their individual properties and do not chemically react with one another. For example, a mixture of salt and sand can be separated by dissolving the salt in water and then filtering the mixture to remove the sand particles. Each component of the mixture retains its own properties throughout the process. On the other hand, a compound is a substance that is made up of two or more different elements chemically combined in fixed proportions. The components of a compound are held together by chemical bonds, resulting in a new substance with different properties from the original elements. Compounds cannot be easily separated into their individual components by physical means. For example, water (H2O) is a compound made up of hydrogen and oxygen. The elements hydrogen and oxygen chemically react to form water, and it is not possible to separate the hydrogen and oxygen in water by physical means alone. In summary, a mixture is a physical combination of substances that can be easily separated, while a compound is a chemical combination of elements that cannot be easily separated. Mixture components retain their individual properties, while compounds have properties different from their component elements.

What is the measurement from the line of origin to the crest? A. Trough
B. Amplitude
C. Crest
D. Wavelength

Answers

Im 90% sure its B amplitude

Consider the group 1A elements sodium (period 3), potassium (period 4), and rubidium (period 5). What would you predict about the ionization energies of these elements?

Answers

It can be predicted that the ionization energies of these elements increase as you go up a period. This means that sodium has the greatest ionization energy, while rubidium has the least. This is due to the placement or distance of the valence electrons from the nucleus of these elements. When you go up a period, this distance decreases, making it harder to overcome the attraction between the nucleus and the electrons. The harder it is to overcome this attraction, the higher the ionization energy needed.

Seven vans each hold 6 passengers. Each passenger is carrying 20 candies divided equally among 5 small boxes. How many candies are on the vans? 840 candies 4200 candies 168 candies 120 candies

Answers

I believe the correct answer from the choices listed above is the first option. There are about 840 candies present on all vans present. We calculate it by multiplying the number of total passengers by the number of candies each passenger is carrying. Hope this answers the question.

840 candies: answer

Explanation:

The freezing point of bromine is
(1) 539°C (3) 7°C(2) –539°C (4) –7°C

Answers

The freezing point of bromine is –7°C. Therefore, the correct option is option D among all the given options.

What is bromine?

Bromine (Br) is a chemical substance, a deep red toxic liquid, and a member of Group 17 (Group VII) of both the periodic chart. At room temperature, free bromine seems to be a reddish brown fluid with such a significant vapour pressure.

Bromine vapour has an amber color. Bromine has a strong odor and can irritate the skin, eyes, especially respiratory system. Even brief exposure to intense bromine vapour can be lethal. The freezing point of bromine is –7°C.

Therefore, the correct option is option D.

To learn more about bromine, here:

brainly.com/question/1952132

#SPJ2

The freezing point of bromine is (4) -7 degrees Celsius.
Hope this helps~

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