CHEMISTRY MIDDLE SCHOOL

How do atoms form a new substance?(a) by gaining electrons from each other
(b) by sharing electrons with each other
(c) by losing neutrons to each other
(d) by losing electrons

Answers

Answer 1
Answer:              Atoms combine as the electrons from each atom are attracted to the nuclei of the atoms. This results in bonds ranging from 100% covalent to bonds with high ionic character. The combination of atoms to form compounds occurs when the compounds being formed are at lower energy than the original atoms.
Answer 2
Answer:

Answer:

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Explanation:

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How The Distance Between two celestial Bodies Impacts Their gravitational attraction

Answers

The closer they are, the greater the gravitational pull they will have on each other.  Size also affects the gravitational pull of the celestial bodies because the larger the body the greater the pull it will have.

Not chemistry but I need help. Someone plz answer these

Answers

9.Each lichen is made up of a fungus (usually an ascomycete) and an alga (green or blue-green). 14.It is a member of the group of diseases known as tinea. 7.Most fungi prefer moist locations, but again there are exceptions, such as the fungi that grow on dried grains. 10.A sac, typically cylindrical in shape, in which the spores of ascomycete fungi develop. 11.A microscopic, club-shaped spore-bearing structure produced by certain fungi. 12.(in ferns and lower plants) a receptacle in which asexual spores are formed. 13.Yeast cells thrive on simple sugars. As the sugars are metabolized, carbon dioxide and alcohol are released into the bread dough, making it rise. 8.Never pick and eat wild mushrooms unless they've been identified by an expert! ... Cooking doesn't make a poisonous mushroom safe. In fact, you can be poisoned by breathing in the cooking fumes from some poisonous mushrooms. Even non-poisonous mushrooms can cause unpleasant reactions in people who are sensitive to them. 6.Saprophytes play an important role in soil biology. They break down dead and decaying organic matter into simple substances that can be taken up and recycled by plants. ... Saprophytic fungi use enzymes to decompose biologic material. Parasitic fungi destroy bacteria and other pathogens.

What are the properties of the reactants?​

Answers

Answer:

Reactants starts the chemical reaction and gives right to the product either by thermal decomposition or in the presence of a catalyst.

Explanation:

Reactants and products contain the same atoms, but they are rearranged during the reaction, so reactants and products are different substances.

Answer:

The properties of reactant are:

1. it contains the same atoms

2. it describes the pathway of the reaction.

What mineral is this? Irregularly shaped, white with nonmetallic luster, the hardness of 2.5, shows cubic cleavage and dissolves easily in water.

Answers

Answer:

The material we are talking about would be serpentine.

Explanation:

This material is available in two colours green or white and it has a hardness that amounts to 2.5. This material has a luster that is nonmetallic and more of waxy in nature.  

This feature becomes Satiny when Nature of is material is Fibrous. This material is used as an insulating material against electricity as well as heat. The property of this mineral is very close to asbestos and is used when prevention from heat and electricity is required.

Answer:

Halite

Explanation:

Halite is the mineral  which is called as Rock salt shows cubic cleavage

Halite forms clear transparent crystals with perfect cubic cleavage. Halite is Table salt, the salt is an array of small cubic fragments, the result of halite’s crystal structure and perfect cubic cleavage

Cubic cleavage can be produced by breaking the sample. Halite is one of the few common minerals that, when broken into small fragments, will readily dissolve in water.

What type of heat is transferred from hot water to metal and plastic forks?

Answers

Answer:

Kinetic energy is an energy that can be applied to another object, often considered the energy of motion.

Explanation:

Metals are generally good conductors of heat.
kinetic energy, hope that helps

Al2(SO4)3 + BaCl2 balanced equation

Answers

Answer:BaCl2 + Al2(SO4)3 -->BaSO4 + AlCl3.

Explanation:
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