Atoms that carry electrical charge

Answers

Answer 1

Answer: Protons.....i think......,,,,

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A construction company recently filled in a local pond to build new houses. Duringthe following weeks, a local scientist noticed a decline in the mosquito population inthe area. The scientist wants to conduct a study that will measure the change in thelocal mosquito population over a period of three months. Which research methodwould give the scientist the best data for conducting his study?A. a three-month case study observing the behavior of animals that depend onmosquitoes for foodB. a survey asking residents about their observations of the local mosquitopopulationC. a collection device in the area that counts the number of mosquitoes caughtweeklyD. a controlled lab experiment with mosquitoes that limits watercolor theexperimental group
Are diamonds shiny or dull?Also can you give me an example of dull?
Which of the following describes the correct order for using the scientificmethod?OA. A scientist should form a hypothesis, then conduct an experiment.OB. A scientist should draw conclusions, then form a hypothesis.OC. A scientist should conduct an experiment, then state the question.D. A scientist should collect data, then state the question.
A condor has a wing span of 3.05 m. What is the wing span in feet

Given that equation Na+(s)O2–> Na2O. Find the mass of sodium needed to produce 12.5 grams of sodium oxide.

Answers

Answer: 9.27 g of Na

Explanation:Please see attachment for explanation

Balance the following equations:
Al₂O3 + O₂ --
Ah + O₂

Answers

Answer:

2Al2O3 → 4 Al + 3 O2

Explanation:

Help asap pleaseWhat state of matter has a defined volume but undefined shape?

a.gases

b.solids and liquids

c.liquids and gases

d.liquids

Answers

The correct answer is liquids. I just got my test answers.

the answer is D

brainly is stubborn and wont let me put the answer so ignore this because I have to add at least 20 letters :)

When are tides highest? a. during the moon’s first quarter phase b. when the sun, Earth, and the moon are nearly in a line c. during the moon’s third quarter phase d. when the moon is at a right angle to the sun

Answers

Answer:

The correct answer is option b, that is, when the Sun, Earth, and the moon are nearly in a line.

Explanation:

The low and high tides are caused by the moon. The gravitational force of the moon produces something known as the tidal force. This force makes the Earth and its water to bulge out on the side nearest to the moon and the side far away from the moon. These bulges of water are considered as high tides.

Similarly to the moon, the Sun also causes tides, but, they are smaller in comparison. However, when the Earth, moon, and the Sun line up, that is, which takes place during the new moon or the full moon, the solar and lunar tides reinforce each other, resulting in more extreme tides, known as spring tides. The spring tides are considered as the highest tides.

The answer is B. when the sun,earth, and the moon are nearly in a line

Which of the following is a physical change?-Burning
-Rusting
-Freezing
-Oxidation

Answers

Freezing is a physical change caused by temperature.
The others cannot be undone easily, because the chemical structure has changed.

you are measuring the mass of various shapes objecys and identifying their shaped ypu then record the qualitative and quanatitave data in a table is qualitataive wnd which is quatitaive

Answers

Quantitative data is always numerical, like measurements or counts of things. Qualitative data is categorical, like descriptions and names. The type of shape is qualitative, and the mass is quantitative.

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Scientists found rock deep in the earth and determined it was three billion years old. This rock is most likely which type of rock?

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

When elements bond together or when bonds of compounds are broken and form a new substanceA. Chemical Change B. Energy C. Fireworks D. Chemical Reaction