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Chemistry

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Fredrick Jerde

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โˆ™ 2021-10-31 18:33:39
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Cards in this guide (29)
A example of a chemical change

a example of chemical change is fireworks

What happens when an atom gains an electron

It becomes a negative ion.

What is a iconic bond

ionic bond in which ions to form a bond like NaCl

Which two elements make up three-fourths of the human body

The two elements that make up 3/4 of the human body are Oxygen, and Hydrogen.

The acronym representing the six most common elements in the human body

acronym for the six elements of life

Which of the following is an organic molecule

Glucose

CH4 for bio sem 1

Sucrose

Fructose
CH4

{Apex Asnwers} C2H6

The goal of basic science is

to teach you basic fundimentals of biology

Why is the chlorine ion attracted to a sodium ion

the Chlorine ion is attracted to the Sodium ion because chlorine ion is negative and the sodium ion is positive. positive and negative ions are always attracted. hence the two are attracted.

What is the purpose of adding an indicator to an unknown solution

Indicators contain chemicals that will react with certain substances. If that substance is present in your unknown solution, a reaction will occur. If no reaction occurs, then that substance is not present in your solution

Where is the energy in a polysaccharide stored

In the chemical bonds of its monomers.

Which two molecules bond together to form a disaccharide

Two molecules of monosaccharides. It depends on the disaccharide.

What happens when a magnesium ion is attracted to a chlorine ion

They form an Ionic compound.

What determines how much energy a human can receive from food

A human gets energy from the calories of food.

how much energy the food molecules have

Why is carbon important for forming complicated molecules

it can form four covalent bonds

it forms very strong bonds

Which best describes the role of nitrogen in the human body

main ingredients in proteins

Which pair of atoms will form an ionic bond

na+ and cr

by teletuby

na+ and ci-

Which best describes how an ionic bond forms

One atom pulls an electron from another atom.

Which of these is an example of a chemical change

Lighting A Match

Which macromolecules provide instructions for growth

nucleid acids

Which best explains how the human body obtains energy from food

Typically glycolysis. Glycolysis is a process by which sugars (specifically glucose) is broken down into ATP (energy). There are, however, many pathways to derive energy from differently moleculs (including lipids and carbohydrates).

Which would prevent a plant from growing

Lack of sunlight

Which produces an ionic bond

Creating an electrostatic attraction produces an ionic bond.

Which activity would be within the field of biology

Figuring out how pesticides affect plant growth is within the field of biology.

What are the reactants in this chemical reaction Sodium metal reacts with hydrochloric acid to produce salt and hydrogen gas

The reactants in this reaction are sodium (Na) and hydrochloric acid (HCl).

What two molecules do green plants use to make their glucose

Carbon dioxide and water.

Nucleic acids and carbohydrates are both types of what

Macromolecules

The molecules that make up food contain energy. how does the human body get energy from the food molecules

by breaking chemical bonds in the molecules

What is the following is most likely the result of an organism having lipids in its body

water cannot be absorbed through the surface of a leaf

Which is not an example of matter and energy cycling through living things

helping hand

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