Alkaline earth metals Study guides, Class notes & Summaries
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![CHEM 104 EXAM #2|Questions with 100% Correct Answers](/docpics/5102893/662a31dc5f993_5102893_121_171.jpeg)
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CHEM 104 EXAM #2|Questions with 100% Correct Answers
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CHEM 104 EXAM #2|Questions with 100% Correct Answers 
Periods are 
horizontal rows(1-7) 
groups are 
vertical columns (1A-8A) 
Metals are 
70%, shiny, ductile, heat, electricity 
Non-metals are 
dull, brittle, good insulators 
metalloids are 
better conductors than non-metals, not as good as metals 
3B-12B is 
transition metals 
1A-8A is 
representative elements 
Alternative System 
1-18 
1A 
alkali metals 
2A 
Alkaline Earth Metals 
3A-6A 
no common names 
7A 
Halogens -1 
8A 
Noble Gases 
P+ 
...
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CHEM 101L Lab 6: Molecular Geometry: The VSEPR Model FALL 2023 (Straighterline)
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Select one: 
a. Linear 
b. Trigonal Planar 
c. Bent 
d. Trigonal Pyramidal 
The three-dimensional manner in which the atoms of a molecule project into space is 
important because it affects which of the following 
Select one: 
a. Physical properties 
b. Solubility 
c. Melting point 
d. All of the above 
What is the predicted bond angle for a molecule with a trigonal bipyramidal geometry? 
Select one: 
a. 90 
b. 120 
c. 180 
d. Only A and B are correct 
Which elements have a complete outer electr...
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BIO 1404 FINAL Exam |Questions & 100% Correct Answers Graded A+
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4 - How many bonds does carbon make? 
atomic #. atomic mass - 11 
Na 
22.99 
11 is the..., 22.99 is the... 
protons + neutrons - Atomic mass = _________ + _________ 
protons. electrons - Atomic is the # of _____ as well as the # of ____. 
alkaline metals - Group one of periodic table 
alkaline earth metals - Group two of periodic table
![HESI A2 ENTRANCE EXAM: READING COMPREHENSION, CHEMISTRY, GRAMMAR, BIOLOGY, VOCABULARY & GENERAL KNOWLEDGE, CRITICAL THINKING, ANATOMY & PHYSIOLOGY AND MATH](/docpics/4825598/6602a61370b4f_4825598_121_171.jpeg)
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HESI A2 ENTRANCE EXAM: READING COMPREHENSION, CHEMISTRY, GRAMMAR, BIOLOGY, VOCABULARY & GENERAL KNOWLEDGE, CRITICAL THINKING, ANATOMY & PHYSIOLOGY AND MATH
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HESI A2 ENTRANCE EXAM: READING 
COMPREHENSION, CHEMISTRY, 
GRAMMAR, BIOLOGY, VOCABULARY 
& GENERAL KNOWLEDGE, CRITICAL 
THINKING, ANATOMY & PHYSIOLOGY 
AND MATH 
VERSION 2 
(With answers) 
Reading Comprehension 
Neurologists and biological psychologists have witnessed a sharp increase in the knowledge 
and understanding of particular structures of the brain over the past two decades. As technology 
becomes ever more advanced, scientists are able to isolate the functions of even small regions of ...
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STAAR Review 8th grade Science questions fully solved & updated 2024
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Atom 
the basic building block of matter that make up everyday objects 
 
 
 
Nucleus (atom) 
the center of an atom that contains the protons and neutrons 
 
 
 
 
Brainpower 
Read More 
Previous 
Play 
Next 
Rewind 10 seconds 
Move forward 10 seconds 
Unmute 
0:02 
/ 
0:15 
Full screen 
Electron Cloud 
the area around the nucleus of an atom where electrons are found 
 
 
 
Protons 
positive charged subatomic particles found in the nucleus 
 
 
 
Neutrons 
neutral charged subatomic particles fou...
![Inorganic AS AQA Chemistry Exam With 100% Correct Answers 2024](/docpics/4542674/65d365c9156dd_4542674_121_171.jpeg)
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Inorganic AS AQA Chemistry Exam With 100% Correct Answers 2024
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Inorganic AS AQA Chemistry Exam With 
100% Correct Answers 2024 
What is a d-block (or f-block) element? - answerAn element that forms one or more stable 
ions with a partially filled d (or f) orbital 
What is an s-block (or p-block) element? - answerAn element with its outer electrons in the 
s (or p) orbitals 
What is the scientific name for the rows on the Periodic Table? - answerPeriods 
What is the scientific name for the columns on the Periodic Table? - answerGroups 
What does the group nu...
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General Chemistry 111 Final Exam Prep Questions And Answers Rated A+ New Update Assured Satisfaction
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→C - Answer-(°F-32°F)*(5°C/9°C) 
C→F - Answer-(9°C/5°C)*°(°C)+32°F 
C→K - Answer-°C+273.15 
tera- or "T" - Answer-10¹² m or 1,000,000,000,000 
giga- or "G" - Answer-10⁹ m or 1,000,000,000 
mega- or "M" - Answer-10⁶ m or 1,000,000 
kilo- or "k" - Answer-10³ m or 1,000 
deci- or "d" - Answer-10⁻¹ m or 1/10 
centi- or "c" - Answer-10⁻² m or 1/100 
milli- or "m" - Answer-10⁻³ m or 1/1000 
micro- or "greek lowercase mu" - Answer-10⁻⁶ m or 1/1000,000...
![Inorganic AS AQA Chemistry Exam With 100% Correct Answers 2024](/docpics/4520213/65cfbef119a14_4520213_121_171.jpeg)
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Inorganic AS AQA Chemistry Exam With 100% Correct Answers 2024
- Exam (elaborations) • 15 pages • 2024
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Inorganic AS AQA Chemistry Exam With 
100% Correct Answers 2024 
What is a d-block (or f-block) element? - answerAn element that forms one or more stable 
ions with a partially filled d (or f) orbital 
What is an s-block (or p-block) element? - answerAn element with its outer electrons in the 
s (or p) orbitals 
What is the scientific name for the rows on the Periodic Table? - answerPeriods 
What is the scientific name for the columns on the Periodic Table? - answerGroups 
What does the group nu...
![Straighterline CHEM101 General Chemistry I Midterm Exam (New Version June 2024)](/docpics/5615752/6668c9657c25c_5615752_121_171.jpeg)
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Straighterline CHEM101 General Chemistry I Midterm Exam (New Version June 2024)
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Question 1 
Correct 
4.00 points out 
of 4.00 
The SI base unit of mass is 
Select one: 
A. g. 
B. metric ton. 
C. mg. 
D. lb. 
E. kg. 
Question 2 
Correct 
4.00 points out 
of 4.00 
The boiling point for liquid nitrogen is 77 K. What is the temperature in degrees 
Fahrenheit? 
Select one: 
A. –289°F 
B. –321°F 
C. –127°F 
D. 662°F 
E. 177°F 
Straighterline CHEM101 General Chemistry I Midterm Exam (New Version June 2024) 
We are a team of experts offering class attendance for all Stra...
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Purdue Chem 115 Exam 1 Questions and Answers 100% Pass
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Purdue Chem 115 Exam 1 Questions and Answers 100% Pass What does the X represent Atomic Symbol 
What does the A represent Mass Number 
What does the Z represent Atomic number 
law of concervation of mass the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes 
horizontal on periodic table periods 
vertical on periodic table groups 
What are Ionic compounds made of metal and nonmetal 
What are covalent compounds made of nonmetal and nonmetal 
Describ...
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