MCQ

CH3 - ATOMS AND ELEMENTS

The diagram shows part of the Periodic Table.Which element is correctly matched with its electronic structure?[Table_1]

2011 Summer

2

MCQ

CH3 - ATOMS AND ELEMENTS

The symbols of two atoms may be written as shown.$$ \frac{52}{23}X \quad \frac{52}{24}Y $$Which statement about these atoms is correct?

2010 Summer

2

MCQ

CH3 - ATOMS AND ELEMENTS

An element S has the proton number 18. The next element in the Periodic Table is an element T. Which statement is correct?

2009 Summer

2

MCQ

CH3 - ATOMS AND ELEMENTS

Which statements about a phosphorus atom, $^{31}_{15}P$, are correct?1. The nucleon number is 16.2. The number of outer electrons is 5.3. The proton n...

2014 Summer

3

MCQ

CH3 - ATOMS AND ELEMENTS

Which numbers are added together to give the nucleon number of an ion?

2009 Summer

1

MCQ

CH3 - ATOMS AND ELEMENTS

The diagram shows an atom. What is the proton number and neutron number of the atom? [Table_1]

2010 Summer

5

MCQ

CH3 - ATOMS AND ELEMENTS

The electronic configuration of an ion is 2.8.8. What could this ion be?[Table showing options for $S^{2-}$ and $Ca^{2+}$]

2009 Summer

2

MCQ

CH3 - ATOMS AND ELEMENTS

The diagrams show four particles. Key: e = an electron n = a neutron p = a proton [Dashed circle] = nucleus Which two diagrams show atoms that a...

2014 Summer

3

MCQ

CH3 - ATOMS AND ELEMENTS

An element Y has the proton number 18.The next element in the Periodic Table is an element Z.Which statement is correct?

2012 Summer

3

MCQ

CH3 - ATOMS AND ELEMENTS

The diagram shows an atom of an element. How many protons and neutrons are in the nucleus of the atom and in which group and period of the Periodic ...

2013 Summer

1

MCQ

CH1 - STATES OF MATTER

The diagram shows a cup of tea. Which row describes the water particles in the air above the cup compared with the water particles in the cup? [Tabl...

2013 Summer

1

MCQ

CH11 - ACIDS AND BASES

Crystals of sodium chloride were prepared by the following method.1. 25.0 cm3 of dilute hydrochloric acid was accurately measured into a conical flask...

2013 Summer

2

MCQ

CH11 - ACIDS AND BASES

Lead iodide is insoluble in water. Lead iodide is made by adding aqueous lead nitrate to aqueous potassium iodide. Which pieces of apparatus are neede...

2013 Summer

3

MCQ

CH3 - ATOMS AND ELEMENTS

Element X is represented by $^{27}_{13}\text{X}$.Which statement about element X is correct?

2013 Summer

2

MCQ

CH12 - THE PERIODIC TABLE

The positions of four elements are shown on the outline of the Periodic Table.Which element forms a coloured oxide?

2013 Summer

2

MCQ

CH4 - ATOMS COMBINING

For which substance is the type of bonding not correct? [Table_1]

2013 Summer

1

MCQ

CH4 - ATOMS COMBINING

Element X has six electrons in its outer shell. How could the element react?

2013 Summer

3

MCQ

CH1 - STATES OF MATTER

The diagram shows an incomplete circuit. Which substance causes the lamp to light when added to the glass tube?

2013 Summer

2

MCQ

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

A compound with the formula $XF_2$ has a relative formula mass of 78. What is element X?

2013 Summer

1

MCQ

CH13 - THE BEHAVIOR OF METALS

What is the balanced chemical equation for the reaction between calcium and water?

2013 Summer

2