What is the luster of nickel for science ?

Answers

Answer 1
Answer: Metallic! Hope that helped
Answer 2
Answer: Metallic! We did a lab on his lol

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How many grams of CO2 are in 2.1 mol of the compound?a. 21.0 g
b. 44.0 g
c. 66.0 g
d. 92.4 g

Answers

Molar mass CO₂ = 44.0 g/mol

1 mole ------- 44.0 g
2.1 mole ----- > ?

g = 44.0 * 2.1 / 1

g = 92.4 / 1

= 92.4 g

answer d

hope this helps!

What is the shaking or sliding of Earth’s surface called?

Answers

the shaking of earth is called EARTH QUAKE
its call an earthquake

Type of change that produces a new substance

Answers

A chemical change produces a new substances. Examples of chemical changes are burning a cooking egg
The type of change that produces a new substance is called a chemical change. A chemical change breaks bonds and also forms new ones. 

Example: Rusting Iron. 

Name five kinds of landforms caused by plate movement, help!!

Answers

Volcanos,iceberg, tsunamis,earthquakes and plate rotation ? I don't what The last one
Is...
I know for sure volcanos are formed

When there are equal forces from opposite directions acting on an object, the forces are said to be which of the following?Positive
Negative
Balanced
Gravitational

Answers

Answer:

balanced

Explanation:

Final answer:

When equal forces from opposite directions act on an object, they are said to be balanced. Such a state doesn't change the motion of the object, which aligns with Newton's First Law of Motion or The Law of Inertia.

Explanation:

Balanced forces occur when the total force applied to an object from one direction equates to the total force applying from the opposite direction. Hence, the object will remain still or continue moving at a constant speed in a straight line. It's important to note that under balanced forces, the motion state of the object doesn't change, also known as Newton's First Law of Motion or The Law of Inertia.

Learn more about Balanced Forces here:

brainly.com/question/29268601

#SPJ6

What does the group number of A elements in the A/B numbering system)tell about valence electrons?

A. The A group number tells which period the valence electrons are
in
B. The A group number tells how much mass the elements have.
C. All elements in the same A group will have the same number of
valence electrons.
D. All elements in the A group will have the same valence electrons
as the B group.

Answers

Answer:

All elements in the same A group will have the same number of

valence electrons.

Explanation:

Group A has 1 valence electrons.