CHEMISTRY HIGH SCHOOL

For the main group elements( excluding the transition elements) , is it necessary to memorize the type of ion each element makes or could you predict the ion charge using a periodic table?

Answers

Answer 1
Answer: You can predict it based of the electronegativity

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HIGH SCHOOL

The chemical formula for barium hydroxide is: . how many hydrogen atoms are in each formula unit of barium hydroxide

Answers

Answer:
            Two Hydrogen Atoms

Explanation:
                     Chemical formula of Barium Hydroxide is;

                                                   Ba(OH)₂

Barium has a +2 charge and each hydroxide ion has -1 charge.

As there are two hydroxide ions in barium hydroxide, therefore a formula unit of barium hydroxide will contain two hydrogen atoms.
MIDDLE SCHOOL

I need to help my brother but i dont know think about what happens to a glass of cold water outside on a hot day . use the words evaporation and condensation to describe what happens to the water inside the glass and what happens on the outside of the glass​

Answers

As the water heats up , the water starts to evaporate into the air , while condensations builds up in the cup.

Answer:

The hot air outside will cause the water to start evaporating. However, the coldness of the water beforehand will cause condensation to build up on the outside of the glass

Explanation:

MIDDLE SCHOOL

which would conduct electricity well in solution: a strong electrolyte, a weak electrolyte, both types of electrolytes, or neither type of electrolyte?

Answers

I'd have to say the both electrolyte because if your in a bad situation, strong things do the job, but there's always two different ways to have electricity. They are both electricity, so that means both because most electricity is going to work okay.
MIDDLE SCHOOL

PLEASE HURRY AND HELP ME PLEASE! As a result of natural occurrences and human activities, the Earth is constantly changing. In order to survive in this changing environment, organisms must adapt so they can continue to acquire and use resources, grow, reproduce, and A. maintain stable conditions in their bodies. B. isolate themselves from other organisms. C. constantly mutate their DNA to match the environment. D. restore the Earth to its original condition.

Answers

In order to survive in this changing environment, organisms must

A. maintain stable conditions in their bodies.

How to save Earth?

We need to conserve natural resources. Reduce, reuse, and recycle. Cut down on what you throw away. Save water, electricity and natural resources. Willingly participate in occasions like Van Mahotsav and Chipko Movement. Reduce pollution. Stop the use of plastics and polyethene bags and instead use clothe bags or paper bags.

Out of the given options: In order to survive in this changing environment, organisms must

A. maintain stable conditions in their bodies.

Thus, option A is correct.

Find more information about Ways to save Earth here:

brainly.com/question/74336

Answer: A

Make sure to read the answer and then find it in your "test/quiz." The answers won't always be in the same place.

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