Atoms with similar properties are most likely located...

to the right and left of each other.

Elements in the same column of the periodic table of the elements all

have similar physical characteristics.

have the same number of protons.

share the same atomic structure.

share the same number of neutrons.

The element sodium, Na, has an atomic number of 11 and an atomic mass of 23.0 atomic mass units (amu). Which of these elements is MOST likely to have similar chemical reactivity as sodium?

potassium, K, which is in the same group on the periodic table

neon, Ne, which has a similar symbol

magnesium, Mg, which has an atomic mass of 24.3 amu

aluminum, Al, which is in the same period on the periodic table

Which set of elements have chemical properties similar to those of phosphorus?

nitrogen, arsenic, and antimony

Element R and Element Q have the same number of valence electrons. These elements both have similar chemical behavior, but Element R has fewer energy levels than Element Q. Which statement best describes the positions of the two elements in the periodic table?

The two elements are in the same group, with Element R just above Element Q

The two elements are in the same period, with Element R the first element in the period and Element Q the last element

The two elements are side by side in the same period, with Element Q to the left of Element R

The two elements are in the same group, with Element Q at the top of the group and Element R at the bottom.

Which pair of properties describe the elements in group 18

They are gases at room temperature and are stable

They have 8 valence electrons and are very reactive

They have 8 energy levels and are stable

They are gases at room temperature and very reactive.

Which statement best describes the position of the two elements in the periodic table.

The two elements are in the same group, with Mg just above Ca

The two elements are in the same period, with Mg the first element in the period table and Ca the last element

The two elements are side by side in the same period, with Ca to the left of Mg

The two elements are in the same group, with Ca just below Mg

Which pair of properties describes the elements in Group 1?

They are the most reactive metals

They are the most reactive non metals

8.5C

Authored by Hannah Schwieger

Chemistry

8th Grade

NGSS covered

Used 21+ times

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MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Elements on the left side of the periodic table are classified as

metals

metalloids

nonmetals

gases

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which element is found in group 16 period 3?

Sulfur (S)

Selenium (Se)

Chlorine (Cl)

Carbon (C)

Which element is found in group 2 period 4?

Strontium (Sr)

Barium (Ba)

Calcium (Ca)

Beryllium (Be)

Each column in the periodic table is called a

period

group

cluster

unit

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which group of the periodic table is composed of inert (not reactive) gases?

alkali metals

alkaline earth metals

halogens

noble gases

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The atoms along the staircase are called

metals

nonmetals

metalloids

noble gases

_______ are the ROWS on the periodic table.

Families

Groups

Periods

Elements

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8.5C

Elements on the left side of the periodic table are classified as

Which element is found in group 16 period 3?

Which element is found in group 2 period 4?

Each column in the periodic table is called a

Which group of the periodic table is composed of inert (not reactive) gases?

The atoms along the staircase are called

_______ are the ROWS on the periodic table.

Atoms with similar properties are most likely located...

If an atom had the same properties as fluorine (F), it would probably be located in

Which element is least like Nickel?

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