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Atoms & the Periodic Table Flashcards | StudBud
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Atoms & the Periodic Table
Atoms & the Periodic Table
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1
What subatomic particle's charge is represented by a "-"?
Isotope
Neutron
Electron
Proton
2
Which two elements have the same number of valence electrons as Beryllium (Be)?
Hydrogen (H)
Helium (He)
Calcium (Ca)
Scandium (Sc)
3
"Red" indicates the presence of a/an:
Acid
Republican
Democrat
Base
4
What does "malleable" mean?
It can be made into bouncy objects.
It can be made into wiry objects.
It can be made into flat objects.
It can be made into shiny objects.
5
To what family of elements does Silicon (Si) belong?
Nonmetals
Transition Metals
Alkaline Earth Metals
Metalloids
6
What subatomic particle's charge is represented by a "+"?
Neutron
Proton
Electron
Isotope
7
What element will form an ionic bond with Calcium (Ca)?
Fluorine (F)
Oxygen (O)
Potassium (K)
Chlorine (Cl)
8
Which type of metal is best to use for wires of high conductivity?
Alkali
Transition
Alkaline Earth
Metalloids
9
What GAS do CARBONATES form when they react with acids?
Carbon dioxide
Carbon hydroxide
Carbon monoxide
Methane
10
Scientists use the isotope Carbon-14 to determine approximate age of organic material . How many NEUTRONS in Carbon-14?
7
9
8
6
11
"Blue" indicates the presence of a/an:
Democrat
Republican
Base
Acid
12
Which adjectives describe BASES?
Corrosive
Salty
Slippery
Sour
Bitter
Sweet
13
Plutonium-240 has how many neutrons?
334
94
16
146
14
Why did it take so long to identify neutrons in atoms?
Neutrons are neutral, so nothing reacts with them.
Neutrons are in the nucleus with protons, so they were "hidden".
Neutrons react to charges just like electrons.
Scientists were too stupid.
15
What subatomic particle's charge is represented by a "0"?
Neutron
Electron
Proton
Isotope
16
Which adjectives describe ACIDS?
Salty
Bitter
Corrosive
Slippery
Sour
Sweet
17
What does "ductile" mean?
It can be made into wiry objects.
It can be made into flat objects.
It can be made into bouncy objects.
It can be made into shiny objects.
18
Which two elements have the same number of valence electrons as Potassium (K)?
Sodium (Na)
Oxygen (O)
Lithium (Li)
Fluorine (F)
19
What word best describes a periodic event?
Round
Long
Calendar
Cycle
20
Why should you NOT choose an Alkali or an Alkaline Earth metal for electrical work?
They are too reactive.
They are not reactive enough.
They are just like noble gases.
They are always satisfied.
21
What elements will form an ionic bond with Sodium (Na)?
Potassium (K)
Fluorine (F)
Oxygen (O)
Chlorine (Cl)
22
To what family of elements does Oxygen (O) belong?
Metalloids
Alkaline Earth Metals
Transition Metals
Nonmetals
