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Arturiano [62]
3 years ago
13

True or false All chemical symbols have one letter.

Chemistry
1 answer:
rusak2 [61]3 years ago
6 0

Answer:

This is a false claim. All chemical symbols range from a singular to two letters. A prime example of this is <em>cobalt</em>;<em> </em>its chemical symbol is Co.

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For the equation 3Cu + 8HNO3 → 3Cu(NO3)2 + 2NO + 4H2O, how many units of NO3 are represented on the products side?
topjm [15]

Answer:

6

Explanation:

3 * 2 =6

5 0
3 years ago
The d-metals iron, copper, and manganese form cations with different oxidation states. For this reason, they are found in many o
choli [55]

Answer:

They have electrons in their 3d- and 4s-orbital for bond formation.

Explanation:

d- metals or transition metal are metal which form ion with partially filled d-orbital. Examples are iron and manganese.

The metals have 2 electrons in their 4s orbital. If only this is used for bonding, they will form compounds where they have oxidation State of +2 as seen in MnO.

If two 4s and one of 3d electrons are used, oxidation state of +3 is formed as seen in FeCl3.

If two 2s electron I used with two 3d electrons, compound with oxidation state of +4 is formed as seen in MnO2

4 0
3 years ago
Read 2 more answers
How many moles are in 7.1x10^21 atoms of iron?
Nitella [24]

Answer:

0.011 moles

Explanation:

There are about 6.02*10^23 atoms in a mole, so in the given sample, there are

\frac{7.01 \times  {10}^{21} }{6.02 \times  {10}^{23} }

which is about 0.011 moles.

8 0
3 years ago
What is is a simple definition of reduction?
alexandr402 [8]

having a lesser value by a process of depletion

3 0
3 years ago
What 2 elements that share the same properties and reactivity as the silicon?
VladimirAG [237]
Two elements that have similar properties has silicon would be above or below silicon. they are germanium or antimony. 
   
6 0
4 years ago
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