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Chapter 3 Atoms & Periodic Table Flashcards | StudBud
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Chapter 3 Atoms & Periodic Table
Chapter 3 Atoms & Periodic Table
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1
What does the word "atom" mean?
can be observed
cannot be divided
can be divided
cannot be observed
2
The smallest particle of an element that cannot be divided is ____.
electron
atom
proton
neutron
3
The most reactive metals are found in ____.
Periods 6 and 7 at the bottom
Groups 13-16
Period 1
Group 1, Alkali Metal
4
From an element's location in the periodic table, you can predict _____.
it's properties
who discovered it
where it was discovered
when it was discovered
5
What information in the periodic table tells you the number of protons?
the element's atomic mass
the position of the element
the element's atomic number
the element's chemical symbol
6
Where are the nonmetals located on the periodic table?
on the right
in the middle
on the left
7
Irons atomic number is 26. What does this tell you?
the number of electrons and neutrons
the number of noodles
the number of protons
the number of neutrons
8
Which contains the most elements?
nonmetals
metals
metalloids
halogens
9
Which group has the LEAST elements?
Nonmetals
Metalloids
The Beatles
Metals
10
What did Hermy want to be when he grew up?
a dentist
Santa
a teacher
a Bumble hunter
11
Protons have a positive charge.
True
False
12
Dimitri Mendeleev organized his table by increasing ___________.
atomic mass
atomic noodles
metals , metalloids and nonmetals
atomic number
13
Which part of the atom moves around the outside of the nucleus?
protons
electrons
neutrons
14
The Grinch is described using three words, what are they?
stink, stank, stunk
mean, green, and lean
drink, drank, drunk
a who hater, glass eater, mean
15
If you take the mass and subtract the atomic number. What will you find?
number of protons
number of neutrons
number of electrons
16
At room temperature, more than half of the nonmetal elements are _____.
solids
liquids
gases
17
Another name for a group is ___.
a bunch
period
family
noodle
18
In an atom, the number of protons equals the number of ____.
noodles
electons
neutrons
19
Which particle has a negative charge?
electrons
neutrons
protons
20
This means it can be pulled out or drawn into wire.
malleable
ductile
luster
conductor
21
The modern periodic table is organized by increasing atomic ____.
number
mass
22
The atomic number of an element tells you __?___.
number of protons + neutrons
mass of it's nucleus
number of protons
number of neutrons
23
Elements in the same column have _____.
have the same atomic mass
similar characteristics
different characteristics
the same atomic number
24
What is the symbol for sodium?
Sd
S
Na
Sm
25
Usually brittle, not shiny and poor conductor of electricity are the ____.
nonmetals
semiconductors
metalloids
metals
26
In general, which statement about metals is true?
Metals are malleable, ductile and can conduct electricity
Metals do not react with oxygen
Metals need to be stored in sealed containers
Metals are highly reactive
27
Which particles are in the nucleus?
neutrons and electrons
protons and neutrons
noodles and spices
protons and electrons
28
The horizontal rows on the periodic table are called ____.
groups
families
elements
periods
29
The elements in a row on the periodic table are _____.
in the same family
in the same period
30
Which group of elements have some properties of metals and some properties of nonmetals?
noble gases
neon gases
bottom two rows
metalloids
31
Protons have a negative charge.
True
False
32
A metal that is a liquid at room temperature.
sodium
aluminum
mercury
mangesium