Need help please i need a good grade will give more points if correctly answered

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Answer 1

Answer: The answer is 5. Sulfur, iron, copper, gold, and aluminum are elements.

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What is the shortest half life

What pair of substances would most likely result in the production of a solid when reacting with a base

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Answer:

Both soluble metal salt and carbon dioxide may react with a base to form a solid or what we call a precipitate,

Movement of molecules from an area of lower concentration to one of higher concentration with carrier molecules, using energy, is called ______________. A.
osmosis

B.
mitosis

C.
diffusion

D.
active transport

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D. Active Transport is the answer

Which countries participated in the Equilant cruises?France
Brazil
United States
Japan
Chile
USSR

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Answer:

ussr us france and brazil

Explanation:

5. Enzymes and acidic juices in the stomach, whichbreak proteins down into smaller molecules, is known

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they are known has catalyst.

_______ and _______ are located in the nucleus of the atom, while _______ exist in areas of probability around the nucleus.

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Protons and neutrons exist within the neucleus, while electrons do not.

What is pH level, what are its characteristics, and how does it contribute to pollution?

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Answer:

pH Scale:

The pH scale refers to the negative logarithm of molar concentration of hydrogen ions: pH = -log [H+].

Characteristics:

The pH scale ranges from 0 to 14. A solution of a compound of pH 7 or pOH 7 is a neutral solution. Solutions of pH less than 7 are acidic and more than 7 are basic.

Low pH of water is acidic in nature as it enters into the ground and collects in streams, it can have bad impacts on the ecosystem.

Other Questions

What property of a solution is the same before and after it is diluted?A. amount of soluteB. total volumeC. amount of solventD. concentration

How would the kinetic energy of a 12,000 kg train compare with the kinetic energy of a 900 kg compact car if both were traveling at the same speed?A. the trains kinetic energy would be equal to the cars kinetic energy. B. The trains kinetic energy would be greater than the cards kinetic energy. C. The trains kinetic energy would be less than the cars kinetic energy.

What is a bond between a positive and a negative ion called?

What does FE stand for in the Periodic Table of Elements?