Quiz: The atom (atomo - quimica


The atomOnline version el átomo y su estructura by Evora Reguillo Amoros 1 The first approach to the explanation of the components of matter were given by greek naturalistic thinkers. They call this indivisible particles atoms. a True b False 2 Dalton’s atomic theory say that all the atoms of the same chemical element are different a True b False 3 Dalton’s atomic theory say that if a chemical reaction occurs, there are a rearrangement of the atoms, but the mass does not change because they are the same atoms with a different arrangement (atoms can’t be created or destroyed) a True b False 4 The model that is known as the plum pudding model was invented by... a Dalton b Thomson c Rutherford 5 Who define two areas inside the atom (nucleus and electron shells) ? a Dalton b Thomson c Rutherford 6 Bohr’s atomic theory introduced that the electron shells are organized in layers or levels, and there is a maximum number of electrons in each layer. a True b False 7 Who discovered the proton? a Thomson b Rutherford c Chadwick 8 Who discovered the electron? a Thomson b Rutherford c Chadwick 9 Who discovered the neutron? a Thomson b Rutherford c Chadwick 10 Which part of the atom contains all the mass? a Nucleus b Electron shell 11 Atoms with the same atomic number are the same element. a True b False 12 Atoms with same Z can have different A (mass number) if they have different number of neutrons in the nucleus. These are called... a Ions b Isotopes 13 Electrons are the only subatomic particles that can be lost or gained. And when this happens, we are no longer speak of atoms but of ions. a True b False 14 If it gains an electron the result is an atom with negative charge, also called .... a Cation b Anion 15 Native elements are simple substances isolated in nature that allowed the discovery of elements from them. a True b False 16 All atoms are linked to each other. This is the case of metals, diamonds and graphite, with millions of atoms of the same type joined together. In this case all the atoms are from the same chemical element. a Forming crystals b Forming molecules c Isolated atoms 17 Crystals are three-dimensional structure made up of atoms or ions, in wich all the atoms are bonded together, with a determined order or pattern. It is necessary that they have always the same number of atoms. a True b False 18 The molecular mass (M) is the mass of a molecule. We can calculate it by adding the atomic masses of the atoms that form the molecule. a True b False

1

The first approach to the explanation of the components of matter were given by greek naturalistic thinkers. They call this indivisible particles atoms.

a

True

b

False

2

Dalton’s atomic theory say that all the atoms of the same chemical element are different

a

True

b

False

3

Dalton’s atomic theory say that if a chemical reaction occurs, there are a rearrangement of the atoms, but the mass does not change because they are the same atoms with a different arrangement (atoms can’t be created or destroyed)

a

True

b

False

4

The model that is known as the plum pudding model was invented by...

a

Dalton

b

Thomson

c

Rutherford

5

Who define two areas inside the atom (nucleus and electron shells) ?

a

Dalton

b

Thomson

c

Rutherford

6

Bohr’s atomic theory introduced that the electron shells are organized in layers or levels, and there is a maximum number of electrons in each layer.

a

True

b

False

7

Who discovered the proton?

a

Thomson

b

Rutherford

c

Chadwick

8

Who discovered the electron?

a

Thomson

b

Rutherford

c

Chadwick

9

Who discovered the neutron?

a

Thomson

b

Rutherford

c

Chadwick

10

Which part of the atom contains all the mass?

a

Nucleus

b

Electron shell

11

Atoms with the same atomic number are the same element.

a

True

b

False

12

Atoms with same Z can have different A (mass number) if they have different number of neutrons in the nucleus. These are called...

a

Ions

b

Isotopes

13

Electrons are the only subatomic particles that can be lost or gained. And when this happens, we are no longer speak of atoms but of ions.

a

True

b

False

14

If it gains an electron the result is an atom with negative charge, also called ....

a

Cation

b

Anion

15

Native elements are simple substances isolated in nature that allowed the discovery of elements from them.

a

True

b

False

16

All atoms are linked to each other. This is the case of metals, diamonds and graphite, with millions of atoms of the same type joined together. In this case all the atoms are from the same chemical element.

a

Forming crystals

b

Forming molecules

c

Isolated atoms

17

Crystals are three-dimensional structure made up of atoms or ions, in wich all the atoms are bonded together, with a determined order or pattern. It is necessary that they have always the same number of atoms.

a

True

b

False

18

The molecular mass (M) is the mass of a molecule. We can calculate it by adding the atomic masses of the atoms that form the molecule.

a

True

b

False

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The atom

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The atomOnline version

by Evora Reguillo Amoros

The first approach to the explanation of the components of matter were given by greek naturalistic thinkers. They call this indivisible particles atoms.

Dalton’s atomic theory say that all the atoms of the same chemical element are different

Dalton’s atomic theory say that if a chemical reaction occurs, there are a rearrangement of the atoms, but the mass does not change because they are the same atoms with a different arrangement (atoms can’t be created or destroyed)

The model that is known as the plum pudding model was invented by...

Who define two areas inside the atom (nucleus and electron shells) ?

Bohr’s atomic theory introduced that the electron shells are organized in layers or levels, and there is a maximum number of electrons in each layer.

Who discovered the proton?

Who discovered the electron?

Who discovered the neutron?

Which part of the atom contains all the mass?

Atoms with the same atomic number are the same element.

Atoms with same Z can have different A (mass number) if they have different number of neutrons in the nucleus. These are called...

Electrons are the only subatomic particles that can be lost or gained. And when this happens, we are no longer speak of atoms but of ions.

If it gains an electron the result is an atom with negative charge, also called ....

Native elements are simple substances isolated in nature that allowed the discovery of elements from them.

All atoms are linked to each other. This is the case of metals, diamonds and graphite, with millions of atoms of the same type joined together. In this case all the atoms are from the same chemical element.

Crystals are three-dimensional structure made up of atoms or ions, in wich all the atoms are bonded together, with a determined order or pattern. It is necessary that they have always the same number of atoms.

The molecular mass (M) is the mass of a molecule. We can calculate it by adding the atomic masses of the atoms that form the molecule.

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