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Integrated Science > Periodic table > Flashcards

Periodic table Flashcards

1
Q

What is the difference between protons, electrons, and neutrons?

A

Protons are positively charged, electrons have a negative charge, and neutrons don’t have a charge

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2
Q

How many valence electrons are in Alkaline Earth Metals?

A

2

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3
Q

What is an Ionic bond?

A

Nonmetal + Metal

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4
Q

What are valence electrons?

A

The outermost shell of the atom and they are able to interact with other atoms to form chemical bonds

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5
Q

Which elements are the least reactive?

A

Noble gases

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6
Q

How many valence electrons does the Nitrogen group have?

A

5

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7
Q

What is the difference between stable and unstable isotopes?

A

Stable have a nuclei and are non-radioactive
Unstable have an unstable nuclei and are radioactive

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8
Q

Which elements are the most reactive?

A

Alkali metals

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9
Q

What bond is a covalent bond?

A

Nonmetal + Nonmetal

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10
Q

The groups or columns on the periodic table organize elements with the same number of what?

A

Valence electrons

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11
Q

What ions are negatively charged?

A

Anion

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12
Q

What is another name for outer orbital?

A

Shell

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13
Q

Which elements on the periodic table are the LEAST reactive?

A

Noble gases

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14
Q

What is the heat conductivity for metals, metalloids, & nonmetals?

A

High for metals, intermediate for metalloids, and low for nonmetals

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15
Q

How many valence electrons does Noble Gases have?

A

8

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16
Q

How many valence electrons does an alkali metal have?

A

One

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17
Q

What are characteristics of an Anion?

A
  • Negatively charged
  • More electrons than protons
18
Q

What are “groups”?

A

Each vertical column in a periodic table. Each element in a group has the same number of electrons in their outer orbital

19
Q

What is the electrical conductivity for metals, metalloids, and nonmetals?

A

High for metals, varies for metalloids, and low for nonmetals

20
Q

How many elements are on the periodic table?

A

118

21
Q

Who is Dmitri Mendeleev?

A

A russian chemist who formulated the periodic laws and created the original periodic table in 1869

22
Q

What are characteristics of a Cation?

A
  • Positively charged
  • More protons than electrons
23
Q

What ions have more electrons than protons?

A

Anion

24
Q

Which elements on the periodic table are the MOST reactive?

A

Alkali metals

25
Q

What is the ionization energy for metals, metalloids, and nonmetals?

A

Low for metals, intermediate for metalloids, and low for nonmetals

26
Q

What are “periods”?

A

Every row across in a periodic table. Each element in a period has the same number of shells

27
Q

What is the difference between a heterogenous and homogenous mixture?

A

In a heterogenous mixture, you can see the different components in them but in a homogenous mixture, you cannot

28
Q

What ions are have more protons than electrons?

A

Cation

29
Q

What is a Covalent bond?

A

Nonmetal + Nonmetal

30
Q

What is a molecule?

A

Two or more atoms bonded together. It can also consist of two atoms of the same element

31
Q

Which russian chemist formulated the periodic laws and created the original periodic table in 1869?

A

Dmitri Mendeleev

32
Q

How many valence electrons does the Oxygen group have?

A

6

33
Q

What is the universal solvent?

A

Water because it is polar

34
Q

How many protons does an iron atom have?

A

26

35
Q

How many elements does the original periodic table have?

A

28

36
Q

How many valence electrons does the Carbon group have?

A

4

37
Q

What ions are positively charged?

A

Cation

38
Q

How many valence electrons do Transition Metals have?

A

1 or 2

39
Q

What bond is an ionic bond?

A

Metal + Nonmetal

40
Q

What is a polar molecule?

A

A molecule in which one end is slightly positive, while the other is slightly negative

41
Q

How many valence electrons does the Boron group have?

A

3

42
Q

What is an Isotope?

A

A variation of the same element with a different number of neutrons in the nucleus

Integrated Science (5 decks)

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