Search over 10,000 free study notes
Over a million students use our free study notes to help them with their homework
Top answers
An isotope of Nitrogen has an atomic number of 7 and a mass number of 15. How many protons, neutrons and electrons will each atom have?does
Protons = 7Neutrons = 8Electrons = 7This N-15 isotope has an atomic number of 7 - this is equivalent to the number of protons.The atom is not charged and so will have the same number of electrons as protonsT...
EB
Answered by
Eva B.
•
Chemistry tutor
17416 Views
How to balance chemical equations (harder level question): C6H12O6 + O2 --> CO2 + H2O
C6H12O6 + O2 --> CO2 + H2O First we will list all the elements and count the number of each on both sides to compare both sides.C6 H12 O8 / C1 O3 H2 Remember we cannot change the small numbers, only the b...
MW
Answered by
Manon W.
•
Chemistry tutor
16730 Views
Describe how ionic and covalent bonding forms compounds (6). You may use diagrams to help.
Compounds are structures where two or more elements are chemically bonded together. These chemical bonds are ionic, covalent or metallic depending on the elements involved. Ionic bonds, form between a metal ...
AH
Answered by
Anthony H.
•
Chemistry tutor
2526 Views
Technetium is an element commonly used in medicine. A technetium atom is represented as ^99 _43 Tc. Give the number of protons, neutrons and electrons in this atom of technetium.
99 43 Tc (how it should be represented in question) Number of protons = 43 Number of neutrons = 56 Number of electrons = 43 Technetium is given here in nuclear notation. This is where the top number represen...
DJ
Answered by
Daniel J.
•
Chemistry tutor
4607 Views
What is covalent bonding?
The sharing of electrons between two atoms
ML
Answered by
Maggie L.
•
Chemistry tutor
2483 Views
←
18
19
20
21
22
→