Engineering High School

QUESTION:
K
An atom with two valence electrons is probably what kind of material?

Answers

Answer 1

Answer:

Noble Gas

Explanation:

Answer 2

Answer:

Calcium - an earth metal

Explanation:

Related Questions

How often does a 4-stroke engine make power to turn the crankshaft?

Answers

Answer:

A 4-stroke engine fires once every second rotation of the crankshaft (every fourth stroke of the piston).

Answer:

Every 4 strokes of the piston, or every 2 full rotations of the crankshaft.

Explanation:

The 4 strokes are most commonly known as Suck, Squeeze, Bang, and Blow (don't laugh, this is serious.) Suck (intake of fresh air and fuel) and squeeze (compressing the air/fuel mixture) are both parts of the first full rotation of the crankshaft, then bang (igniting the fuel and air mixture) and blow (expelling the exhaust gasses from the cylinder) are parts of the second full rotation of the crankshaft. Then this cycle repeats for as long as power is required, or until there is no more fuel to be mixed with the air, or there is no longer any ignition.

Which of the following is a true when describing an air ratchet?
A) Most do not require impact sockets.
B) Operate at a higher rate of speed than an impact wrench.
C) Both A and B.
D) Neither A nor B.

Answers

B) operate at a higher rate of speed than an impact wrench

The true options when describing an air ratchet is  C) Both A and B.

A) Most do not require impact sockets.

B) Operate at a higher rate of speed than an impact wrench.

What is  air ratchet?

An air ratchet is a tool that uses air power to help fix cars and do other mechanical jobs. Both statements A and B are correct when talking about an air ratchet tool.

Air ratchets are made to work with regular sockets, not impact sockets. Air ratchets are different from impact wrenches because they are not as strong and do not need as much force. They are good for jobs that don't need a lot of power.

Read more about  air ratchet here:

https://brainly.com/question/15176537

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