CHEMISTRY HIGH SCHOOL

What are metalloids? Give examples.​

Answers

Answer 1
Answer:

Answer:

Metalloids:

Elements with properties intermediate between metals and nonmetals are known as metalloids.

Examples:

  • Germanium
  • Arsenic
  • Tellurium
  • Boron

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The amount of silica in the magma and temperature are factors that determine the viscosity of magma.

Answers

The viscosity of magma increases as the silica content increases from basalt to rhyolite.

The outermost layer of the earth (the onethat we see) is the _____

A. outer core.

B. outer mantle.

C. asthenosphere.

D. lithosphere.

Answers

lithosphere (its a part of the Crust)

PLS PLS SOMEONE HELP ME ANSWER THESE QUESTIONS PLEEEAAASSSE!!(press on the picture so you can see the questions better!)​

Answers

Answer:

1)conduction

2) convection

3) conduction

4) radiation

5) radiation

6) radiation

7) conduction

8) conduction

9) radiation

10) convection

Explanation:

not 100% sure

Which of the following formulas represents an ionic compound? A) N2O4
B) BaI2
C) PCl3
D) CS2

Answers

Bal2 is an ionic compound the rest are covalent

During nuclear fission, great amounts of energy are produced froma. very small amounts of mass.
b. tremendous amounts of mass.
c. a series of chemical reactions.
d. particle accelerators.

Answers

The answer should be A.  It takes a very small amount of mass to produce a lot of energy which is displayed in Einstein's equation E=mc².  E is the amount of energy given off when some mass is converted into energy.  
E=the energy given off, m=the mass turned to energy (I think this is sometimes referred to as the mass defect), and c=the speed of light.  Nuclear reactions do not fallow the law of conservation of mass since some of the mass is converted into energy.

I hope this helps.  Let me know if anything is unclear.

Final answer:

In nuclear fission, great amounts of energy are produced from very small amounts of mass, as described by Einstein's mass-energy equivalence principle E=mc². The energy is derived from the conversion of a small amount of nuclear mass.

Explanation:

During the process of nuclear fission, large amounts of energy are actually released from very small amounts of mass. This is in accordance with Einstein's mass-energy equivalence principle expressed in his famous equation E=mc², where E represents energy, m is the mass, and c² is the speed of light squared. This equation depicts that even small amounts of mass can produce tremendous energy when speed of light is raised to power of two which is a very large number. Therefore, the correct answer to your question is Option A: very small amounts of mass.

Learn more about Nuclear Fission here:

brainly.com/question/35560070

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Why graphite can rub off the pencil onto the paper

Answers

Graphite is an extremely soft material and is formed in layers as well.This combination of traits allows for the graphite to scrape off of the pencil tip and onto the paper.
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