What is a group of electrons orbiting at roughly the same distance from the nucleus

Answers

Answer 1

Answer: A shell of electrons.

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An ionic compound is formed whenA a metal bonds with another metal
B a nonmetal bonds with another nonmetal
C a metal bonds with a nonmetal
D three nonmetals bond together

Answers

metal bonds with nonmetal

well, ionic compounds are formed when positive and negative ions are formed so i would say A.

Which quantity can be calculated for a solid compound, given only the formula of the compound and the Periodic Table of the Elements?(1) the density of the compound

(2) the heat of fusion of the compound

(3) the melting point of each element in the compound

(4) the percent composition by mass of each element in the compound

Answers

The answer is the percent composition which is number 4. This is the percent by mass of each element existing in a compound. To compute for this, you need to find two things: the mass of just the element, and the molar mass of the entire compound. Afterwards, you take the molar mass of only the element and divide it by the molar mass of the entire compound, and multiply by 100%.

In the mitochondrion, small molecules combine with (.) to produce (.) and carbon dioxide This process releases a large amount of (.)

Answers

In the mitochondrion, small molecules combine withoxygen to produce water and carbon-di-oxide. This process releases a large amount of energy.

Explanation:

The mitochondrial membrane is where the chemical processes happen, and where the fluid contains the matrix.
It form an integral part of eukaryotic cells. Its principal function is to conduct cellular respiration. This implies that the cell sucks in nutrients, breaks it down and transforms it into energy.
The oxygen present inside the cell is applied and mitochondria transform chemical energy from food in the cell into energy in a form that is accessible to the host cell, understood as oxidative phosphorylation, it occurs within mitochondria.
The processes identified as the citric acid or Krebs cycle generate a chemical called NADH in the mitochondria matrix. NADH is then used to produce adenosine triphosphate (ATP) through enzymes located in the inner cone of the mitochondrial membrane.
Within ATP the energy is contained within chemical bonds form. You can open those bonds and retrieve the energy.

What does the . mean in Fe2O3.H2O ???

Answers

Alright so
The "Fe" is just the symbol for Iron. Due to me not knowing if it is sitting above or below the baseline, but I'll assume it's below. This means that "Fe2" means there are 2 iron atoms.

And then the O3 represents 3 oxygen atoms in the compound.

And then the H2O is just the chemical formula for water, which consists of 2 hydrogen atoms and one oxygen atom.

Which of these did your answer include?Each hydrogen atom is bonded to the oxygen atom with a single bond.
The oxygen atom has two lone pairs.
The molecule is bent.
Oxygen is more electronegative than hydrogen.
Each O-H bond is polar.
The molecule is asymmetrical.
The asymmetry and the polar bonds produce an overall molecular dipole.
The oxygen atom has a partial negative charge, and the hydrogen atoms have a partial positive
charge.

Answers

The O2 atoms have a covalent bonding and are attracted to the electrons more strongly.

The sharing of the electrons gives them water molecules a slightly negative change near the O2 atom. A slight positive change near the H2.

Hence the option D is correct.

Learn more about the did your answer includes.

brainly.com/question/15913753.

The oxygen atom has a partial negative charge and the Hydrogen atoms have a partial positive charge

What characteristic do most aquatic plants have in common?A) stems with lots of thorns to fight off predator
B) Can survive without sunlight
C) Can survive with little water
D) Flat leaves for floating in water

Answers

D) Flat leaves for floating... no plants can survive with out sunlight

they can survive with out sunlight

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