CHEMISTRY MIDDLE SCHOOL

What does lithium 6 and lithium 7 look like

Answers

Answer 1
Answer: Lithium 6 would have 6 valence electrons in the outer orbital, while lithium 7 would have 7 in the outer orbital. 

Related Questions

Moving water can be used to produce electricity becausea. most forms of energy can be converted into other forms b. energy cannot be converted into other forms of energy c. potential energy can be converted into kinetic energy, but not vice virsa d. kinetic energy can be converted into potential energy, but not vise virsa
Okay,Please help guys.Is a plastic cup a heterogeneous OR homogeneous?Please help.Im doing it now...
How are elements identifies in terms of their atoms?
In a periodic table, dots around an elements symbol indicate the number of valence electrons in an atom ? True Or False
Examples of a cell wall

Even if two cars perform the same amount of work, one car can still have more power.

Answers

true because one car can have more power and just be able to to the easy stuff and the hard stuff

What is a harmful effect of electrical resistance?

Answers

While voltage does pose a threat, it's mostly the current that causes damage. There must be voltage available to motivate electrons to flow through a victim. Resistance to current causes (in the case of the victim being human or having flesh) burnt tissues, muscles freezes, and fibrillates hearts.

Answer:

Resistance resist the flow of current. This means that if 5V go through a resistance, it'll be reduce down to something below or equal to 5V.

If it gets reduce below 5V, lets say it goes down to 3V, the extra 2V must go somewhere. That 2V energy is converted to heat and dissipated through the resistor.

If there's a big current then the energy dissipated will be huge. And more negery = more heat which can cause fire and burn you.

What are the most chemically active metals located on the periodic table

Answers

The most chemically active metals are the alkali metals on the periodic table.

A substance in the solid phase (state) of matter has A.a definite shape and a definite volume

B.a definite shape,but no definite volume

C.No definite shape,but a definite volume

D.no definite shape and no definite volume

Answers

A substance in the solid phase (state) of matter has a definite shape and a definite volume.

What is volume?

Volume is the amount of space taken up by an object, while capacity is the measure of an object's ability to hold a substance, like a solid, a liquid or a gas. Volume is measured in cubic units, while capacity can be measured in almost every other unit, including litres, gallons, pounds, etc.

Matter in the solid-state maintains a fixed volume and shape, with component particles (atoms, molecules or ions) close together and fixed into place.

Hence, option A is correct.

Learn more about phases here:

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A. Would be your answer

Which group of elements is the most unreactive? Why?

Answers

Noble Gases because the valence electron shell, or orbital, is complete. They are "happy" with their electrons and don't need to react with others to change. 
Noble gasses. The already have 8 electrons in their outermost shell

Which molecule does not have a linear molecular shape?
O3
OCN-
Co2
Cs2

Answers

The molecule that doesn't have a linear molecular shape is 03.i.e.Ozone.
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