Science: Elements and Their Properties Flashcards
1
Q
Element with more than 92 protons
A
Transuranium
2
Q
Able to be hammered or rolled into sheets
A
Malleable
3
Q
Able to be drawn into wire
A
Ductile
4
Q
Different forms of the same element with different molecular structures
A
Allotropes
5
Q
Elements that give off particles and energy
A
Radioactive
6
Q
Elements in Group 1
A
Alkali
7
Q
Element with metallic and nonmetallic properties
A
Metalloid
8
Q
Elements in Group 3-12
A
Transitions
9
Q
Substance that conducts electricity under certain conditions
A
Semiconductor
10
Q
Forms a salt when it gains an electron from a metal
A
Halogen
11
Q
Type of bonding in which a “sea of electrons” surrounds positively charged ions
A
Metallic
12
Q
Not naturally occuring
A
Synthetic
13
Q
State of all elements in Group 18
A
Gas
14
Q
State of most metals at room temperature
A
Solid
15
Q
Halogens form salts by ____ bonding.
A
ionic
