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Vladimir [108]
3 years ago
12

What is the word equation for 2Mg+O2=2 MgO

Chemistry
2 answers:
yarga [219]3 years ago
8 0

Answer:

magnesium + oxygen ----> magnesium oxide

DENIUS [597]3 years ago
8 0

Answer: Magnesium+Oxygen=Magnesium Oxide

Explanation:

Mg is the chemical symbol for magnesium and O is the chemical symbol for Oxygen.

MgO is Magnesium Oxide because when you react a metal with oxygen you get a ‘metal oxide’.

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Among the alkaline earth metals in Group 2A/A, which is more reactive - beryllium (element 4) or strontium (element 38)?
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Answer:

Group 2A (or IIA) of the periodic table are the alkaline earth metals: beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). They are harder and less reactive than the alkali metals of Group 1A.

Explanation:

5 0
2 years ago
What is the isotope notation for an ion of silver-109 with a charge of positive 1
Arisa [49]

Answer:

The isotope notation for an ion of silver-109 with a charge of positive 1 is _{47}^{109}Ag^{1+}.

Explanation:

The elements with same atomic number with different mass numbers are called isotopes.

The isotopes of silver is as follows.

_{47}^{109}Ag,_{47}^{107}Ag

From the above two isotopes have same atomic number and different mass number.

From the given,the isotope notation for an ion of silver-109 with a charge of positive 1

It can be represented is as follows.

_{47}^{109}Ag^{1+}

General representation of isotope is as in attachment.

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