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Duplicate of Atoms and the Periodic Table
Duplicate of Atoms and the Periodic Table
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Parts of the Atom and reading a Periodic Table.
Flashcards
25 cards
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Questions
25
Answers
1
Which particles have almost the same mass?
proton and neutron
proton and electron
electron and neutron
all three
2
What kind of bond is formed in the following formula NaF?
Metallic bond
Ionic bond
Covalent bond
Bond Bond
3
Elements found on the far right of the periodic table in Group 18, are referred to as _____
alkali metals
alkaline earth metals
noble gases
halogens
4
The energy levels of an atom are occupied by
protons
neutrons
electrons
ions
5
Which of the following categories of elements represents almost 3/4 of the periodic table?
nonmetals
metalloids
metals
gases
6
How does an element in row 3 differ from an element in row 6?
the element in row 6 has more mass.
the element in row 6 in always a gas.
the element in row 3 has more mass.
the element in row 3 is always a gas.
7
The particles that make up an atom are
protons, neutrons, and nuclei
protons, neutrons, and electrons
protons, electrons, and nuclei
protons, nucleus, elements
8
What is the a charged atom that has gained one or more electrons?
covalent bond
ionic bond
negative ion
positive ion
9
Neutral part of the atom is called the _____.
proton
nucleus
electron
neutron
10
The negative part of the atom is called the _____.
nucleus
neutron
electron
proton
11
An atom with ____ valence electrons is most stable.
3
2
6
8
12
In an atom, electrons _______.
travel outside the nucleus in the electron cloud
are paired with neutrons
are always in the same place in an atom
are located in the nucleus
13
Substance that contains two of more elements is called a _____.
molecule
polar molecule
compound
formula
14
Why do the noble gases in family 18 like Ne NOT form compounds readily?
they have no electrons
They have empty outer energy levels
Their outer energy levels have 8 valence electrons.
they have seven electrons in the outer energy level
15
The positive part of the atom is called the ____.
proton
neutron
electron
neucleus
16
How are the elements arranged on the periodic table?
in rows and columns according to their properties
in one long row according to atomic mass
in rows and columns alphabetically
Just placed where ever
17
Atoms tend to gain, lose, or share valence electrons until they have _____ valence electrons.
eight
two
no
four
18
A combination of symbols, coefficient, and subscripts
compound
molecule
formula
symbol
19
In general, metals are _____.
poor conductors of heat
brittle
poor conductors of electricity
good conductors of electricity
20
How are the elements arranged on the periodic table?
in rows and columns alphabetically
in one long row according to atomic mass
in rows and columns according to their properties
Just placed where ever
21
Where are the metals on the periodic table?
to the right of nonmetals
between metalloids and nonmetals
only in periods 3 and 4
on the left side and bottom of the table
22
Elements on the periodic table are arranged in rows and columns according to their _____.
mass
weight
properties
name
23
Which elements have properties of both metals and nonmetals?
elements
nonmetals
metals
metalloids
24
What is the positively charged center of the atom called?
neutron
nucleus
electron
proton
25
The place of the element in the modern periodic table is determined by its ______.
atomic number
chemical activity
density
atomic mass