Which statement about isotopes is correct?Isotopes are different elements with different numbers of protons but the same number of neutrons.

Isotopes are the same element with different numbers of protons and different numbers of neutrons.

Isotopes are the same element with the same number of protons but different numbers of neutrons.

Answers

Answer 1

Answer:

Answer:

C; Isotopes are the same element with the same number of protons but different numbers of neutrons.

Answer 2

Answer: Isotopes are the same elements with the same number of portions but different numbers of neutrons

For instance, the element carbon exists as several isotopes, each having the exact same number of protons (otherwise, it would no longer be carbon if the # of protons changes), and a different number of neutrons

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The electric pencil sharpener in Mrs. Brown's classroom gets very warm on days when many students need to sharpen their pencils.Choose the form of energy to fill in the blank in the energy conversion diagram below.

Electrical Energy ____________________ Heat Energy

Light Energy
Mechanical Energy
Nuclear Energy
Chemical Energy

Answers

Answer: Mechanical Energy

Explanation:

According of law of conservation of energy, energy can neither be created nor be destroyed. It can only transformed from one form to another.

When electric sharpener works by using electrical energy, it is being used to drive the blades of the sharpener and is being converted to mechanical energy which is then converted to heat energy and the sharpener gets warm.

Electrical energy is the energy possessed by virtue of motion of electrons.

Mechanical energy is the energy possessed by a body by virtue of its position and motion.

Heat energy is the transfer of thermal energy from hotter body to colder body.

mechanical energy
first the pencil sharpener gets electricity from the plug and wires
that then makes the pencil sharpener move it's motor and well, sharpen pencils
all the kinetic energy from the motor moving releases heat, making the sharpener warm

What do not have a definite shape or volume in sience?

Answers

it is gas such as oxygen,nitrogen,hydrogen,etc

Where do glaciers come from

Answers

Answer:GLACIERS ARE MADE UP OF FALLEN SNOW OVER MILLION YEARS, IN MOST OF POLAR REGIONS IT TURNS TO ICE AND WILL FLOW DOWNWARDS AND OUTWARDS UNDER ITS OWN PRESSURE

AND THE LARGEST GLACIER IN THE WORLD IS 60 MILES WIDE AND AROUND 270 MILES LONG.

IT COVERS 10% OF EARTH'S TOTAL LAND

Explanation:

Is the Coriolis effect caused by the jet stream.