stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Grade 10 Intro - Chem 9 Review Flashcards | StudBud
Explore
/
Grade 10 Intro - Chem 9 Review
Grade 10 Intro - Chem 9 Review
22 terms
·
StudBud Administration
·
44 plays
Imported from external platform
Flashcards
22 cards
F
Practice quiz
P
Host live
L
Questions
22
Answers
1
Which category does silicon belong to?
noble gas
metal
metalloid
gas
2
How many electrons are in the valence shell of a neon atom?
2
8
10
18
3
The name for SnS
2
is
tin (II) sulphide
sun sulfide
antimony sulfide
tin (IV) sulphide
4
What does the Bohr diagram represent?
scandium ion
carbon atom
sodium atom
boron atom
5
Who suggested that matter is made up of atoms?
Rutherford
Dalton
Bohr
Thomson
6
Who found that there was a small, dense core (nucleus) in an atom with the rest empty space?
Rutherford
Dalton
Thomson
Bohr
7
What does the atomic number for an element represent?
charge
# of neutrons
weight
# of protons
8
The most reactive non-metals are
alkaline earths
noble gases
alkali metals
halogens
9
What does the Bohr diagram below represent?
oxygen atom
oxygen ion
sulfur atom
neon atom
10
The formula for gold (III) oxide is
Au3O
Au2O3
AuO
Au2O2
11
To which of the following groups does oxygen at room temperature belong to?
gas
metal
metalloid
non-metal
12
What is the name for CoCl
2
?
cobalt chloride
carbon oxide chloride
cobalt (II) chloride
cobalt (III) chloride
13
This group is made of very reactive metals.
halogens
alkaline earths
alkali metals
noble gases
14
Dalton discovered
nucleus
all matter is made of atoms
shells
electrons
15
What is the atomic number for potassium?
32
1
16
19
16
Chemical bonds are formed when atoms...
gain protons
gain or lose electrons
share protons
lose protons
17
A compound that is made up of atoms that share electrons
covalent compound
molecule
polyatomic ion
ionic compound
18
The name for K
2
SO
3
is
calcium hydroxide
potassium sulfite
potassium chlorite
iron sulfite
19
Who proposed the theory where electrons were like orbiting planets?
Bohr
Dalton
Rutherford
Thomson
20
Who came up with the raisin bun theory?
Bohr
Thomson
Rutherford
Dalton
21
The formula for tetraphosphorus decaoxide is:
P4O10
P2O3
PO
P5O10
22
Which element is very reactive?
rubidium
all of the above
caesium
fluorine
