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A certain atom has a mass number of 27 and has no charge. Which of these could represent the number of particles in this atom?
Gases at room temperature
Atomic number
Group 1
On the outer orbital
Group #
Separates the metals from the nonmetals
13 protons, 13 electrons, and 14 neutrons
Period #
In the current periodic table, elements are arranged in increasing ________________.
Gases at room temperature
Atomic number
Group 1
On the outer orbital
Group #
Separates the metals from the nonmetals
13 protons, 13 electrons, and 14 neutrons
Period #
Which of the following is/are properties of most NON-METALS?
Gases at room temperature
Atomic number
Group 1
On the outer orbital
Group #
Separates the metals from the nonmetals
13 protons, 13 electrons, and 14 neutrons
Period #
You can determine the number of valence electrons any element has on the periodic table by looking at which of the following categories?
Gases at room temperature
Atomic number
Group 1
On the outer orbital
Group #
Separates the metals from the nonmetals
13 protons, 13 electrons, and 14 neutrons
Period #
You can determine the number of orbitals any element has on the periodic table by looking at which of the following categories?
Gases at room temperature
Atomic number
Group 1
On the outer orbital
Group #
Separates the metals from the nonmetals
13 protons, 13 electrons, and 14 neutrons
Period #
Where do you find valence electrons?
Gases at room temperature
Atomic number
Group 1
On the outer orbital
Group #
Separates the metals from the nonmetals
13 protons, 13 electrons, and 14 neutrons
Period #
What is the purpose of the zigzag line on the periodic table?
Gases at room temperature
Atomic number
Group 1
On the outer orbital
Group #
Separates the metals from the nonmetals
13 protons, 13 electrons, and 14 neutrons
Period #
Which group of the periodic table contains the most reactive metals?
Gases at room temperature
Atomic number
Group 1
On the outer orbital
Group #
Separates the metals from the nonmetals
13 protons, 13 electrons, and 14 neutrons
Period #
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