What is it called when elements combine to form a chemical compound?

Answers

Answer 1

Answer:

Explanation:

A compound is a unique substance that forms when two or more elements combine chemically.
Compounds form as a result of chemical reactions. The elements in compounds are held together by chemical bonds.
A chemical bond is a force of attraction between atoms or ions that share or transfer valence electrons.

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As a radioactive element emits gamma radiation only, the atomic number of the element increases or decreases

The age of the solar system is estimated by the dating of rocks?

Answers

Yes they break down what they are made of and figure it out.

What are metalloids? Give examples.

Answers

Answer:

Metalloids:

Elements with properties intermediate between metals and nonmetals are known as metalloids.

Examples:

Germanium

Arsenic

Tellurium

Boron

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1. Some redox reactions are also classified as which of the following?A) acid-base

B) synthesis

C) single-displacement

D) decomposition

2. If ions change places and a gas is formed, then what type of reaction is indicated?

A) double-displacement

B) synthesis

C) decomposition

D) single-displacement

Answers

C) Single displacement
C) Decomposition

b synthesis hope i helped

Your mom is playing the drums in the basement. Whenever she hits the drum with all her force, the box next to the drums shakes, rattles and almost rolls. What is occurring? A frequency B diffraction C resonance D interference

Answers

it’s “a”, frequency because the sound waves will cause vibrations in object close by

What is the process that changes one set of chemicals into another set of chemicals?a. cohesion
b. hydrogen bonding
c. chemical reaction
d. dissolving

Answers

The process that changes one set of chemicals into another set of chemicals is called a chemical reaction. The correct answer is option c.

A chemical reaction is a process in which chemical bonds between atoms and molecules are broken and formed, resulting in the creation of new substances with distinct chemical properties.

In a chemical reaction, the reactants are the starting substances that react with each other, while the products are the new substances that are formed.

For example: When hydrogen gas reacts with oxygen gas in the presence of a spark or flame, a chemical reaction occurs that produces water as a product:

$\rm 2H_2 + O_2 \rightarrow 2H_2O$

Therefore, a chemical reaction is the process of transforming one set of chemicals into another set of chemicals. Option c is the correct answer.

Learn more about chemical reaction here:

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Answer: a. cohesion

Cohesion would be the process that changes one set of chemicals into another set of chemicals, as the reactants bond to bring the product, aka product(s).

Which units express heat capacity

Answers

Answer:

Heat capacity units: J/K

Explanation:

Heat capacity (C) is the amount of heat (Q) required to raise the temperature(T) of a substance by a unit degree.

$C = (Q)/(T)$

It is usually expressed in terms of J/K

Heat capacity is an intensive property i.e. it is not dependent on the amount of the substance. i.e, the amount of heat required to raise the temperature of 1 g of copper per kelvin would be the same as that corresponding to 100 g.

the heat capacity of a defined system is the amount of heat (usually expressed in calories, kilocalories, or joules) needed to raise the system's temperature by one degree (usually expressed in Celsius or Kelvin). It is expressed in units of thermal energy per degree temperature. To aid in the analysis of systems having certain specific dimensions, molar heat capacity and specific heat capacity can be used. To measure the heat capacity of a reaction, a calorimeter must be used. Bomb calorimeters are used for constant volume heat capacities, although a coffee-cup calorimeter is sufficient for a constant pressure heat capacity.

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