What group of elements least strongly attract electrons from other atoms in a compound

Answers

Answer 1

Answer: well there are two possibilities. The noble gases technically have the lowest electronegativitey, but often they are referred to as being non reactive and stable. In which case for elements that are reactive group 1 has the lowest electronegativitey and tends to lose its electron.

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Plants and algae that convert sunlight to food energy are called producers

primary consumers

tertiary consumers

decomposers

Answers

The correct answer is the first choice given. Plants and algaes are producers. They are called as such since they produce their own food by using the energy from the sun, CO2 and water to form glucose as their food.

How to name alkane using iupac system

Answers

Naming an alkane through the IUPAC system is pretty simple
so all it is is (prefix for number of carbon) + ane
For the first four in this homologous series you have
Meth- 1 carbon
Eth- 2 carbons
Pro- 3 carbons
But- 4 Carbons
Onward you use the prefixes you know such as Pent, Hex, Hept, Oct, Non, Dec

So for an alkane with 3 Carbons it would be Propane, with 4 - Butane with 8- Octane etc.

Which of the following shows a periodic pattern?A.there are two ducks in one pond.

B.there is meat next to the cheese in the refrigerator

C.a boy waits five minutes to talk to his father

D.the mother takes her medication everyday at seven

Answers

Out of the following choices, the one that shows a periodic pattern is "the mother takes her medication everyday at 7."

Which of the following elements has the ability to undergo sublimation?a. oxygen
b. carbon
c. sodium
d. iodine

Answers

The best answer to this question would be (d.) iodine. Iodine is the elements who has the ability to undergo sublimation. Iodine is an important compound in terms of nutrition, production of acetic acid and polymers. Iodine is capable of transitioning from solid to gas without any specialized process.

The answer to your question is

d. idoine

Which of the following affects the rate of a chemical reaction?A. the presence of a catalyst
B. the temperature
C. the concentration of reactants
D. all of the above

Answers

The following that affects the rate of a chemical reaction is the presence of catalyst, temperature, and concentration of reactant. The correct option is D.

What is the rate of a reaction?

The rate of reaction is the speed of the reaction at which a reaction takes place.

The catalyst increases the rate of reaction.

The increase in temperature increases the rate of reaction.

Thus, the correct option is D. all of the above.

Learn more about the rate of a reaction

brainly.com/question/8592296

D. A ll of the above. catalyst reduces the activation energy thereby making the reaction faster. an increase in temperature increases the kinetic energy and no of collisions making reaction faster for an endothermic reaction while decrease in temperature favors an exothermic reaction.
increase in concentration increases the molecules reacting so the reaction is faster and vice versa.

Which is an example of an atom?A) The smallest unit of Ne.
B) The smallest unit of P4.
C) The smallest unit of NH3.
D) The smallest unit of H2O.

Answers

Answer:

Option A

Explanation:

An atom is the smallest particle of a chemical element that can exist.

Using the method of elimination;

Option A - This correct because an atom is the smallest unit of a chemical element ( Neon). It fits the definition given above.

Option B - This option is wrong because P4 is a substance that is made up of four atoms of the same element, so it is a molecular element and not an atom.

A chemical compound is a chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds.

Option C - This option is wrong because NH3 is a compound containing two different elements.

Option D - This option is wrong because H2O is a compound containing two different elements.

The smallest unit of Ne (Neon)

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Which of the following pH values indicates the highest concentration of hydronium ions in a solution?

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