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Science Chapter 4 Flashcards | StudBud
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Science Chapter 4
How many periods/rows are there ?
Are all metals solid ?
Science Chapter 4
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Questions
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Answers
1
Are all metals solid ?
True
False
2
How many periods/rows are there ?
6
17
7
18
3
Did Henry Mosley make the first version of the P.T ?
True
False
4
What are transition elements ?
Nonmetals
All of the Above
Metalliods
Metals
5
Are nonmetals good conductors of heat and electricity ?
False
True
6
Is semimetals another name for Metalliods ?
False
True
7
On today P.T. are elements still aranged by atomic number ?
False
True
8
What did Henry Mosley do ?
arranged the elements according to atomic number
All of the Above
improved Mendeleevs P.T
enable same elements to bond
9
What are 6 essentials you need for life ?
Carbon, Sulfur, Nitrogen, Oxygen, Iodine, and Phosophorous
IDK
Iron, Neon, Oxgyen, Carbon, Sulfur, and Lead
Oxygen, Iron, Helium, Sulfur, Calcuim, and Chlorine
10
By 1830 how many elemants were named ?
55
60
50
75
11
How many nonmetals are there ?
20
18
17
16
12
Was this quiz ........................
Terrible
Good
Excellent
Ehhhh
13
What did Dmitri Mendeleev do ?
arranged the elements in order or increasing atomic number (wt.)
saw a pattern
All of above
elements with similar properties fell into groups
14
What are 2 types of zones of P.T
Transitions
Representative
Luster
Ductile
15
What is a luster ?
Bend and pound into shapes
Drawn into thin wires
Shiny
reflect light
16
Do metalliods share characterics of metals and nonmetals?
False
True
17
Are metals bad conductors of heat and electricity ?
True
False
18
Is Dmitri Mendeleev a Russian chemistry ?
False
True
19
In a column or group, do the elments have similar properties ?
False
True
20
Vocabulary : What is a period ?
horizonatal row of elements in the P.T whose properties change gradually
elements that share some properties with both metals and nonmetals
IDK
family of elements in the P.T. that have similar physical or chemical
21
What is another name for columns ?
Periods
Groups
Vertical
Rows
22
Is malleable bend and pound into shapes ?
False
True
23
are groups 3 - 12 transition elements ?
False
True
24
When did the first ever P.T come out ?
1879
1969
1869
1979
25
Does metals have high melting point ?
True
False
26
Vocbulary : What is a nonmetal ?
element that shares some properties with both metals and nonmetals
element that is usually a gas or solid at room temp.
element that is malleable , ductile, and a good conductor
elements in group 3 - 12 in the P.T.
27
All metals are solid, except ___________.
Mercury
Neon
Bromine
Siliver
28
What are representative elements ?
Nonmetals
Metalliods
Metals
All of the Above
