QI) write the atomic symbol for each of the followings: Carbon (no. of protons = 6, no. of neutrons = 6) Helium (no. of protons = 1, no. of neutrons = 1) Hydrogen (no. of protons = 1, no. of neutrons = 0) Bromine (no. of protons = 35, no. of neutrons = 45)
QI) write the atomic symbol for each of the followings: Carbon (no. of protons = 6, no. of neutrons = 6) Helium (no. of protons = 1, no. of neutrons = 1) Hydrogen (no. of protons = 1, no. of neutrons = 0) Bromine (no. of protons = 35, no. of neutrons = 45)
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Home Work 1
Q1) write the atomic symbol for each of the followings:
Carbon (no. of protons = 6, no. of neutrons = 6)
Helium (no. of protons = 1, no. of neutrons = 1)
Hydrogen (no. of protons = 1, no. of neutrons = 0)
Bromine (no. of protons = 35, no. of neutrons = 45)
Q) 2 write the electronic configuration for each of the followings
Chlorine atom (atomic no. =17)
Magnesium cation ( Mg* , atomic no. =12)
Q) 3 answer the followings:
1) List the three statements that make up the modern atomic theory.
2) Which is larger, a proton or an electron?
3) Sketch a Lewis Electron Dot Diagrams of aluminum atom (Al), which has
atomic number = 13.
4) Give the formula for each molecule:
a. disulfur difluoride.
b. iodine penta bromide.
6) Give the proper name for each molecule:
a. P.O10
b. B,O3
c. P,S;
7) Assign oxidation state for the element that underlined in each of
the following compounds:
a.KNO,
b.AIH,
c.H;PO,
Q) 4
If 0.502 g of methane gas reacts with 0.27 g of oxygen to produce
carbon dioxide and water, what is the limiting reagent and how many
moles of water are produced?
CH, + 202
CO, +2 H,0
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