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lyudmila [28]
3 years ago
15

Most transition metals lose one electron to form a +1 cation. True or False?

Chemistry
2 answers:
Rzqust [24]3 years ago
4 0
False - most common oxidation state for transition metals is +2
lana66690 [7]3 years ago
3 0
It would true because it would be going to that other element that they would be combining with 
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You find that 7.36g of a compound has decomposed to give 6.93g of oxygen. The only other element is hydrogen. If the molar mass
OleMash [197]

Answer:

The molecular formula of this compound is H_{2}O_{2}

Explanation:

From the given,

Mass of compound = 7.36 g

Molar mass of compound = 34.0 g/mol

The mass of oxygen = 6.93 g

The hydrocarbon contains only hydrogen and carbon.

Mass of hydrogen + Mass of oxygen = 7.36 g

Mass of hydrogen + 6.93 g = 7.36 g

Mass of hydrogen = 7.36 - 6.93 = 0.43g

Molar mass of hydrogen = 1.0 g/mol

Molar mass of oxygen = 16 g/mol

Number\,of\,moles\,of \,Oxygen=6.93g\times\frac{1}{16}=0.43mol

Number\,of\,moles\,of \,hydrogen=0.43g\times\frac{1}{1}=0.43mol

Now divided each one by 0.43

Oxygen:

\frac{0.43}{0.43}=1

Hydrogen :

\frac{0.43}{0.43}=1

6 0
3 years ago
Arrange the following atoms according to decreasing effective nuclear charge experienced by their valence electrons: Cl, Na, P,
skelet666 [1.2K]

Answer:

Cl < S < P < Na

Explanation:

We have to understand the trend for effective nuclear charge before answering the question;

The periodic table tendency for effective nuclear charge: Increase across a period (due to increasing nuclear charge with no accompanying increase in shielding effect). Decrease down a group (although nuclear charge increases down a group, shielding effect more than counters its effect).

Based on this, the elements can be arranged in the following order;

In decreasing order;

Cl < S < P < Na

7 0
3 years ago
Which principle states that the processes occurring on Earth today are the same as those that occurred in the past?
EleoNora [17]
I think it's a I think it's a because B doesn't make sense she doesn't make sense Indie doesn't make senseso you
8 0
3 years ago
Please help with the question tagged below
gladu [14]

Answer:

It can lose it's electrion

Explanation:

3 0
2 years ago
Acid/base, precipitation, redox, or none:. 1. Ba(ClO3)2(s) ----&gt; BaCl2(s) + 3O2(g). 2. CaO(s) +CO2(g) ----&gt; CaCO3(s)
Aleks04 [339]
There are two equations given in the question. The type of reaction shown can be easily judged, if one takes a closer look at the equations.

1. <span>Ba(ClO3)2(s) ----> BaCl2(s) + 3O2(g) ------- Redox

2. </span><span>CaO(s) +CO2(g) ----> CaCO3(s) -------- None.

I hope that this is the answer that you were looking for and the answer has actually come to your desired help.</span>
4 0
2 years ago
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