Compared to atoms of the same element, isotopes have differentA. numbers of electrons.
B. numbers of protons.
C. numbers of neutrons.
D. types of subatomic particles.

Answers

Answer 1

Answer:

C. numbers of neutrons.

Compared to atoms of the same element, isotopes have differentnumbers of neutrons. They are variation of the same element. Often isotopes are radioactive, as they are not stable element, and they have various uses: for example, the isotope of the Carbonium with 14 neutrons - C14 - is used to calculate the date of certain ancient objects.

Answer 2

Answer: Compared to atoms of the same element, isotopes have different c) numbers of neutrons. Even though this occurs, the proton number remains the same. These are seen as a variation within the same chemical element.

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What is the current in the circuit if R1=7 R 2 =15, and the voltage is 220 volts?

Answers

You haven't mentioned whether the resistors are in series or in parallel.
It's kind of important, and the answers are different.

If they're in series:
The total resistance is (R1 + R2) = (7 + 15) = 22 ohms
Current = (voltage) / (total resistance) = (220) / (22) = 10 Amperes

If they're in parallel:
The total resistance is (R1 · R2) / (R1 + R2) = (7 · 15) / (7 + 15) = 105/22 ohms
Current = voltage / total resistance = 220 · 22 / 105 = 46.1 Amperes.

The poor power supply could probably not deliver 46.1A for very long,
so I'm guessing that the resistors are in series, and the current is 10A.

A long period of climate cooling during which ice sheets spread beyond thepolar regions is called a

Answers

Answer:

ice age

Explanation:

Definition: a glacial episode during a past geological period

An unknown igneous rock has very small crystals. The rock _____.

Answers

The answer would be: The rock cooled quickly.

These types of igneous rocks are called extrusive rocks. These are igneous rocks that cooled on the surface. They form only small crystals because they cool quickly at the surface. Intrusive rocks are its counterpart, they form bigger crystals because they form underground and slowly allowing time for bigger crystals to form.

cooled quickly, because lava cools and crystallizes rapidly

What type of fault usually occurs because of tension?

Answers

The correct answer is Normal Fault. The type of fault usually occurs because of tension is normal fault. It is a kind of fault that occurs when the Earth's crust is extended. It is a dip-slip normal fault where the hanging wall moves downward and it is relative to the foot wall. Basically, the lithosphere is being stretched.

Most severe weather is generated in areas that are _____. warm and moist cool and moist warm and dry cool and dry

Answers

The correct answer should be Warm and Moist

Such regions can suffer from massive monsoons that can last for months, as well as typhoons, tsunamis, and similar.

Most severe weather is generated in areas that are warm and moist .

What is tourism like in a tundra climate