What traits do the BCNO's have in common?

Each column has same amount of valence electrons

Which is NOT a property of the Noble Gases?

gases, liquids, and solids at room temp

What prediction did Mendeleev make that came true 20 years later?

described the properties of future elements

when a substance undergoes a chemical change...

bonds between atoms are broken and new bonds are formed

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Periodic table

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Periods, families, properties

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Questions 26

Answers

1
positive charge
cation
isotope
anion
element gains an electron
2
What properties are found in the Halogens?
Make salts with alkali's
Good conductors
6 valence electrons
Maleable
3
What are NOT properties of Transition metals?
Usually 1 or 2 valence electrons
poor conductors
Ductile
High melting points
4
What traits do the BCNO's have in common?
All nonmetals
Each column has same amount of valence electrons
All metals
All good conductors
5
mostly good conductors
Metalloids
Nonmetals
noble gases
Metals
6
Between metals
Covalent bond
Metallic bond
Ionic bond
Hydrogen bond
7
Which is NOT a property of the Noble Gases?
Brittle when a solid
Nonreactive
gases, liquids, and solids at room temp
8 valence electrons
8
What trait do all Actinides have in common?
Radioactive
Brittle
All synthetic
green glowy color
9
What makes the lanthanides different from the rest of the transition metals?
Maleable
Low conductivity
Ductile
High melting points
10
Give and take electrons
Ionic bond
Metallic bond
James Bond
Covalent bond
11
forms an anion
alkaline earth metals
halogens
alkali metals
noble gases
12
sharing electrons
Hydrogen bond
Metallic bond
ionic bond
Covalent bond
13
7 valence electrons
Metals
Noble gases
Halogens
Metalloids
14
What is a property of the Alkaline Earth metals?
Brittle
1 valence electron
Poor conductors
Burn bright colors
15
forms a cation
carbon (family 4)
noble gases
oxygen (family 6)
alkali metals
16
How did Medeleev first arrange the periodic table?
alphabetically
by atomic mass
by atomic number
by isotope number
17
Between nonmetals
Buddy bond
Metallic bond
Ionic bond
Covalent bond
18
factor that determines how an atoms interacts with other atoms
atomic mass
number of valence electrons
number of protons
number of neutrons
19
What prediction did Mendeleev make that came true 20 years later?
that reactivity is based on valence electrons
that atoms are made of protons, neutrons, and electrons
described the properties of future elements
that Pluto is not a planet
20
Cation
Takes an electron
Gives an electron
No charge
Covalent charge
21
How many valence electrons does molybdenum have?
96
54
42
1
22
when a substance undergoes a chemical change...
atoms change size and shape
old atoms are destroyed and new atoms formed
bonds between atoms are broken and new bonds are formed
atoms change from one element to another
23
Between a metal and a nonmetal
Metal bond
Covalent bond
Hydrogen bond
Ionic bond
24
Which is NOT a property of the Alkali metals?
Hard
Good conductors
Highly reactive
Maleable
25
Can be solids, liquids, or gases at room temp.
Metaloids
Nonmetals
Semi metals
Metals
26
Which property is found in all metalloids?
semiconductors
brittle
liquids at room temperature
radioactive

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