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Chemistry
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What is an empirical formula and how do I calculate it?

The empirical formula of a compound is the simplest ratio of the atoms present in that compound and it can be calculated relatively easily by following a few simple steps:Let's use an example of a hydroca...

VO
3169 Views

Describe the trend in reactivity in group 1 alkali metals.

Reactivity increases as you go down the group.

ZQ
Answered by Zaynah Q. Chemistry tutor
2298 Views

What trends are shown as you go down group 2 of the periodic table?

Group 2 (the alkaline earth metals) show many different trends. As you go down, the size of the atoms increases. This is due to the fact that each element has an extra full main level of electrons compare...

Answered by Chemistry tutor
12789 Views

What is an ion and how are they formed?

An ion can be an atom or a group of atoms that are charged. This means they can be positively charged or negatively charged.A positive ion is formed when the atom loses electrons. Because electrons have a...

MD
Answered by Maisie D. Chemistry tutor
2566 Views

What is the trend of reactivity in group 1 metals?

As you go down group 1, the number of electron shells increases. This means that the outer electron is further from the attractive pull of the nucleus, and it experiences more shielding from the nucleus’ ...

KP
Answered by Keshen P. Chemistry tutor
2542 Views

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