CHEMISTRY MIDDLE SCHOOL

Is ammonia a compound or an element?

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Answer 1
Answer: a ammonia is a compound

Related Questions

What is the mass of oxygen in 250 g of sulfuric acid H2SO4?
What is one example of a molecule
Which term refers to the process by which ions that have entered solution are kept in solution?dissociation electrolyte hydration ionization
What is the correct label for a solution? A. a homogeneous mixture B. a graduated substance C. a heterogeneous mixture D. a primary mixture of elements
Mass divided by volume is equal to (4 points)weightsizedensityarea

What are some physical properties in a water hat?

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Physical properties. O; one molecule of water has two hydrogen atoms covalently bonded to a single oxygen atom. Water is a tasteless, odorless liquid at ambient temperature and pressure. Liquid water has weak absorption bands at wavelengths of around 750 nm which cause it to appear to have a blue colour.

Now, gimme brainliest

In Hooke’s law, what does k represent? A. the distance the spring stretches

B. the elastic constant, a number that tells the relative strength of the spring

C. the constant of gravity

D. the amount of force acting on the spring

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Answer: The correct answer based on the test is

B- the elastic constant, a number that tells the relative strength of the spring

D. the amount of force acting on the spring

When a warm air mass is caught between two cooler air masses and the thicker cold air masses move underneath the thinner warm air mass and push it upward is what type of weather front?

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An occluded front forms when a warm air mass is caught between two cooler air masses. The warm air mass is cut ofl or occluded' from the ground. The occluded warm front may cause clouds and precipitation. A swirling center of low air pressure is called a cyclone.
When a warm air mass is caught between two cooler air masses and the thicker cold air masses move underneath the thinner warm air mass and push it upward. Occluded front symbol – The directions that the bumps face is the direction the front is moving.

When it is spring in China, it is ______ in South America

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I would say fall/ autumn in South America because they are in opposite hemispheres. 

Why is the structure of molecule important to its function?

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Answer:

In materials of molecular structure, the nature of intermolecular and intramolecular bonds has a decisive influence on their characteristics and properties. Characteristics such as melting and boiling points, mechanical strength and hardness depend on the type of such bonds.
A Molecule's Biological Function is Related to its Shape. Each molecule has a characteristic size and shape that determines its function in the living cell. The shapes of molecules are determined by the positions of the atoms' orbitals. When an atom forms covalent bonds, the orbitals in its valence shell are rearranged that’s your answer

Why is it that the north star is the only star in the night sky that seems to stay still

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I think it is because it is directly about the north or south pole (I forget) so while all the other stars seem to rotate around because the Earth is rotating but the North Star is directly in the center. Don't take my word though.
Other Questions
Consider the situation. Scientists have developed an explanation of a phenomenon from several verified hypotheses. The explanation has been confirmed through numerous experimental tests.Which option best describes this explanation?A. research questionB. scientific theoryC. scientific lawD.hypothesisI think its B or D.
You are looking at a flower with 5 petals, 5 sepals, 1 pistil, and 10 stamens. Is this a monocot or a dicot plant? -Need this ASAP! thank you all in advance!!!
Locate the element xenon (Xe) on the periodic table and click on the square. What class of element is xenon found in? A)nonmetal B)halogen c)noble gas D)alkali metal
Name a metal that doesn't conduct electricity