On the periodic table, all elements of a group (family) have what feature in common?

they all share similar chemical properties

Which pair of elements would most likely share similar chemical properties?

Phosphorus and Nitrogen because they are in the same group.

The atomic mass of an element indicates which of the following?

the number of protons and neutrons in an atom

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The Periodic Table

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Answers

1
How many atoms of OXYGEN are in one molecule of silver nitrate, AgNO₃?
1
3
7
5
2
On the periodic table, all elements of a group (family) have what feature in common?
they all have the same number of electrons in the electron cloud
all have the same number of protons in the nucleus
they are all located in the same vertical column
they all share similar chemical properties
3
The modern day Periodic Table of Elements is arranged based on the
number of neutrons
atomic mass
atomic number
number of electrons
4
Bromine (Br) would have chemical properties most like--
tellurium (Te).
manganese (Mn).
xenon (Xe).
Iodine (I)
5
Which pair of elements would most likely share similar chemical properties?
Fluorine and chlorine because they are in thesame group.
Sodium and magnesium because they are in thesame period.
Phosphorus and Nitrogen because they are in the same group.
Hydrogen and helium because they are in the sameperiod.
6
Which alkali metal is the least reactive?
Potassium
Lithium
They're all non-reactive
Rubidium
7
If a single yttrium (Y) atom contains 39 electrons, what is the atomic number of Y?
4
39
20
19
8
The zig-zag line on the periodic table separates the
metals and nonmetals
solids and gases
metalloids and metals
metalloids and nonmetals
9
The atomic mass of an element indicates which of the following?
the number of electrons in an atom
the number of neutrons in an atom
the number of protons and electrons in an atom
the number of protons and neutrons in an atom
10
Based on its position on the periodic table, which of the following elements is a metalloids
nickel (Ni)
antimony (Sb)
hydrogen (H)
tungsten (W)

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