CHEMISTRY MIDDLE SCHOOL

A portion of the periodic table is shown. which element would have similar properties to sulfur?★ nitrogen

★ oxygen

★ fluorine

★ chlorine
a portion of the periodic table is shown. which element - 1

Answers

Answer 1
Answer:

oxygen

the answer is going to be oxygen. This is because on the periodic table, sulfur and oxygen are in the same group or "family" in the periodic table of elements.

Answer 2
Answer: The answer is oxygen as oxygen and sulfur are in the same “group” on the periodic table. They are both in group. 6

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The graph of y = 3x2 + 12x + 11 is shown.Use the graph to solve the equation 3x2 + 12x + 11 = 2

Answers

Explanation:

3*2=6

12x+11=23x

23x+6=29x

x=2

What is the difference between refraction and rarefaction?

Answers

The difference between light reflection and refraction is simple. In reflection, the light ray striking the plane returns to the originating source or medium as the waves spring off the surface. in refraction, the waves go through the surface and it alters their speed and direction.

what is reflection?

Reflection is the bouncing back of light when it strikes a smooth surface. Generally occurs on shinny surfaces that only allow rebounding of light without permitting penetration through it. In this process, light bounces back and returns back in the same direction.

Refraction is the bending of light rays when it travels from one medium to another. This occurs in transparent surfaces that allow bending of the ray to a different medium.

In this process, light changes path i.e travels from one medium to another.

To know more about Refraction, click on link.

brainly.com/question/22969863

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What is the difference between refraction and rarefaction?

Refraction occurs when a wave crosses a boundary from one medium to another. A wave entering from an angle will change direction

Rarefraction refers to the "bending of wavelengths around an edge"of an object. diffraction depends on the size of the object relative to the wavelength of the waves.

Over a long period of time, a group of people were exposed to high degrees of UV radiation from the sun. While no one became sick immediately, doctors did predict that those exposed had an increased risk of cancer in skin cells. Which type of mutation will this exposure cause? A. acquired, harmful B. acquired, neutral C. inherited, beneficial D. inherited, neutral

Answers

Answer:

acquired/harmful

Explanation:

This type of mutation and exposure will cause indefinite problems.
A. because they did not inherit cancer from their family they accuired it from the sun and cancer is harmfull so its A.

Suppose the candle was placed in a large, sealed jar that allowed it to burn for several minutes before running out of oxygen. The candle and jar are balanced by an equal weight. In this situation, what would happen if you lit up the candle and waited?

Answers

If the candle was placed in a large, sealed jar that allowed it to burn for several minutes before running out of oxygen. The candle and jar are balanced by an equal weight. In this situation, the side with the lit candle would rise because the heat collects on the top of the jar and starts to make the jar lighter by carrying some of the wait, whether it be a little or a lot.

The side where the candle lit would rise due to accumulation of heat from burning of candle.

When the candle was placed in a large, sealed jar and allowed it to burn for several minutes before running out of oxygen, the heat accumulates at the upper part of the jar and as a result the warm air puts pressure on the jar.

If the gas pressure is larger than the weight of the jar. the jar will be lifted by the air otherwise it will remain the same so we can conclude that the motion of jar occurs due to the burning of candle which produces the air.

Learn more: brainly.com/question/15266554

A sample of a substance has these characteristics:• melting point or 9811 K
• hard. brittle solid at room temperature
• poor conductor of heat and electricity as a solid
• good conductor of electricity as a liquid or in an aqueous solution
This sample is classified as
(1) a metallic element
(2) a radioactive element
(3) a molecular compound
(4) an ionic compound

Answers

Those characteristic belong to an ionic compountd. Ionic compounds have strong bonds between their atoms (ionic bond is the strongest molecular bond) which conferes this kind of compounds high melting point, wich 9811 K is. Ionic compounds do not transmit current, because they do not have free electrons, like metals do, then they are poor conductors as solid. Ionic compounds dissolve in water into ions which are charges that can move, becoming then good conductors. The structure of ionic compound is a net of cristals which make them hard and brittle. Then, the answer i s option (4) an ionic compound.

Answer:

an ionic compound

Explanation:

What weather conditions would you expect on the windy side of a mountain?

Answers

you would expect low humidity and low air pressure because as you go higher into the atmosphere the less air you get because your going into outter space. No matter what amount of clothes you wear as you get higher and higher you get colder and colder
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