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Setler [38]
3 years ago
6

Covalent Compounds HAVE a positive (+) or negative (-) charge True or false

Chemistry
1 answer:
balandron [24]3 years ago
5 0

Answer:

True

Explanation:

Covalent bond: bond in which one or more pairs of electrons are shared by two atoms. Ionic bond: bond in which one or more electrons from one atom are removed and attached to another atom, resulting in positive and negative ions which attract each other. Other types of bonds include metallic bonds and hydrogen bonding.

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Why ammonia has high bond angle than water
WINSTONCH [101]

hi

hope it helpsss

This repulsion is stronger than the repulsion between the lone pair and the three bond pairs on the nitrogen atom. Since <u>the repulsions on the bond pairs in H2O molecule are greater than that in NH3, the bond angle in water is less than that of ammonia.also thats the reaso why ammonia has hig bond angle than water.</u>

3 0
3 years ago
What is the empirical formula for a molecule containing 46.8% Si and 53.2% O?
Over [174]
Assume there are 100 g of the substance.
Masses:
Si: 46.8 g
O: 53.2 g
Moles:
Si: 46.8 / 28 = 1.67
O: 53.2 / 16 = 3.32
Dividing by the smaller number:
Si: 1.6 7/ 1.67 = 1
O: 3.32 / 1.67 = 2
Thus, the formula:
SiO2
4 0
3 years ago
What is the final overal charge in CaCL2
Law Incorporation [45]
Honestly, you can look at the notes you took and even look down some things in google to help u solve ur answer
6 0
3 years ago
Why must energy be used to produce the colors seen
olga_2 [115]

Answer:

Visible light contains all the colors from violet to red. An object gets its color when electrons absorb energy from the light and become “excited” (raised to a state of increased energy). The excited electrons absorb certain wavelengths of light.

The Sun emits light of every possible frequency at once, including at frequencies too high or too low for us to see. But the Sun's highest intensity radiation aligns approximately with our visible range – red through blue. That's no coincidence – like all animals on Earth, we have evolved to make best use of the light available.

Explanation:

8 0
2 years ago
Read 2 more answers
What hydrogen atom transition has the most energy photon.
Scrat [10]

Answer:

The transition with the greatest distance is 5p → 1s, which is n = 5 going to n = 1. This means this transition also has the largest energy and frequency. Therefore, the electron transition that produces light of the highest frequency in the hydrogen atom is a. 5p → 1s.

Explanation:

The energy requirement order for excitation for different transitions is as follows. n→∏* transition requires lowest energy while σ→σ* requires highest amount of energy

8 0
3 years ago
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