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siniylev [52]
3 years ago
5

What is the element with period 2 group 14

Chemistry
2 answers:
Ghella [55]3 years ago
7 0

Answer:

Carbon

Explanation:

bija089 [108]3 years ago
6 0
The element name is carbon
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Express this number in scientific notation 50000​
Kazeer [188]

Answer:

We write 50,000 in scientific notation,

it is written as 5 x 10⁴.

Hope it helps.

6 0
3 years ago
Read 2 more answers
HNO3 is an Arrhenius acid and increases the concentration of what??? when added to water.
sineoko [7]
When nitric acid is added to water, the concentration of hydronium ions would increase since the nitric acid dissociates into ions, the hydronium ions and the nitrate ions. Hope this answers the question. Have a nice day. Feel free to ask more questions.
3 0
4 years ago
What does the aufbau principle suggest about electron configuration?
Scorpion4ik [409]

Answer:

Electrons occupy orbitals with the lowest energy first.

Explanation:

The Aufbau Principle states that electrons will fill the atomic orbitals with the lowest energy levels first, before occupying others with higher energy levels.

For example, electrons will fill the 1s orbital before filling the 2s orbital.

4 0
4 years ago
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How many moles of malachite should be formed when 1.5 moles of copper sulphate reacts with an excess of sodium carbonate?
Katen [24]
2 Na₂CO₃ + 2 CuSO₄ + H₂O → CuCO₃.Cu(OH)₂ + 2 Na₂SO₄ + CO₂
Malachite molar mass = 221.1 g / mol
So 2 moles CuSO₄ produce 1 mole of malachite
so 1.5 mole CuSO₄ produce (0.75) mole malachite
Mass of malachite = 0.75 mole * 221.1 g/ mol = 165.83 g 
5 0
4 years ago
If a substance contains a hydrogen ion concentration of 1.0 x 10-5 M, which types of ions does it contain more of?
miss Akunina [59]

Since the pH of the substance is 5, the substance contains more of hydrogen ions.

<h3>What is pH of a solution?</h3>

The pH of a a solution is the negative logarithm to base ten of the hydrogen ions concentration of the solution.

pH = -log[H^{+}]

A neural solution has pH 7.

A solution with pH below 7 has more hydrogen ions while a solution with pH above 7 has more hydroxide ions.

The pH of a substance contains a hydrogen ion concentration of 1.0 x 10-5 M is 5.

Therefore, the substance contains more of hydrogen ions.

Learn more about pH at: brainly.com/question/940314

6 0
2 years ago
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