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alukav5142 [94]
3 years ago
15

how many covalent bonds does a phosphorus atom normally form, based on the number of valence electrons in the atom?

Chemistry
1 answer:
Alexandra [31]3 years ago
8 0

Triple covalent bond I guess

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What must be true for a car to move forward at a constant speed? The forward fore of the car is....?
4vir4ik [10]
Constant. you have to continuously apply the same amount of force to achieve constant velocity 
4 0
3 years ago
Elements in the same group/family of the periodic table are similar in what way?
Lera25 [3.4K]

Answer:

D)They have the same number of valance electrons.

Explanation:

The elements in the same group have same number of valance electrons thus have similar properties.

Consider the elements of group two i.e alkaline earth metals. All have two valance electrons and show similar properties.

Magnesium, barium, calcium etc.

All alkaline earth metals form salt with halogens.e.g,

Mg   +   Cl₂    →    MgCl₂

Ba    +   Br₂    →     BaBr₂

Mg   +   Br₂    →     MgBr₂

Ca    +   Br₂    →     CaBr₂

They react with oxygen and form oxides of respective metal.

2Mg   +   O₂   →    2MgO

2Ba   +   O₂   →    2BaO

2Ca   +   O₂   →    2CaO

these oxides form hydroxide when react with water,

MgO  + H₂O   →  Mg(OH)₂

BaO  + H₂O   →  Ba(OH)₂

CaO  + H₂O   →  Ca(OH)₂

With nitrogen it produced nitride,

3Mg + N₂     →  Mg₃N₂

3Ba + N₂     →  Ba₃N₂

3Ca + N₂     →  Ca₃N₂

With acid like HCl,

Mg + 2HCl  →  MgCl₂ + H₂

Ba + 2HCl  →  BaCl₂ + H₂

Ca + 2HCl  →  CaCl₂ + H₂

8 0
3 years ago
Read 2 more answers
3. 53.2 g C reacts with Iron (III) oxide, how many grams of iron can be produced?
Vikentia [17]

Answer:

a

Explanation:

a

8 0
3 years ago
PLZ HELP I WILL REWARD BRAINLIEST IF U ANSWER CORRECTLY WITH A REASON WHY :)
Semmy [17]

Answer:

The answer is dipole-dipole forces.

Explanation:

The molecule is composed of Sulfur and Oxygen, which are both elements with high electronegativities. As a result, this is a covalent bond, as they are both nonmetals. Since Sulfur has a partially positive charge, and Oxygen has a partially negative charge, it appears that the substance is polar, meaning that there are different charges within the atom. Of the answer choices, Dipole-Dipole forces are the only ones that involve polar substances, and they different charges, especially since there is no hydrogen indicating a hydrogen bond, and London forces contain nonpolar substances with an overall charge of the molecule.

7 0
3 years ago
2.
padilas [110]
The element is P (Phosphorus) and the atomic number is just the number of protons so for A it would be 15.

For B to find the atomic mass you would just have to add the protons and neutrons so 15+16=31 and as we can see Phosphorus does have a mass of 31 so for B it would be 31

For C it would be 5
And for D it would be the atomic mass of Phosphorus which is 31 over the atomic number which is 15 so it would be P31/15

4 0
1 year ago
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