IB Questionbank

User interface language: English | Español

Date	November 2016	Marks available	1	Reference code	16N.1.hl.TZ0.5
Level	HL	Paper	1	Time zone	TZ0
Command term	State	Question number	5	Adapted from	N/A

Question

Which representation would be correct for a species, Z, which has 31 protons, 40 neutrons and 28 electrons?

A. ${}_{31}^{71}{{\rm{Z}}^{3 + }}$

B. ${}_{31}^{71}{{\rm{Z}}^{3 - }}$

C. ${}_{40}^{71}{{\rm{Z}}^{3 + }}$

D. ${}_{28}^{71}{{\rm{Z}}^{3 + }}$

Markscheme

Examiners report

[N/A]

Syllabus sections

Core » Topic 2: Atomic structure » 2.1 The nuclear atom

Show 70 related questions

17N.1.sl.TZ0.5: What is the number of protons and the number of neutrons in 131I?
17N.2.hl.TZ0.2c: A sample of magnesium has the following isotopic composition. Calculate the relative...
17M.2.sl.TZ2.1b: Naturally occurring silver is composed of two stable isotopes, 107Ag and 109Ag. The relative...
17M.1.sl.TZ2.5: What does ${}_{12}^{24}M{g^{2 + }}$ represent? A. An ion with 12 protons and 24...
17M.2.sl.TZ1.2c: State the number of protons, neutrons and electrons in the ${}_{22}^{48}{\text{Ti}}$ atom.
17M.2.sl.TZ1.2b: Titanium exists as several isotopes. The mass spectrum of a sample of titanium gave the...
17M.1.sl.TZ1.5: In which set do all the species contain more electrons than neutrons? A. 14N, 16O,...
16N.2.sl.TZ0.4b: Mass spectroscopic analysis of a sample of magnesium gave the following results: Calculate...
16N.2.sl.TZ0.4a: State the nuclear symbol notation, ${}_Z^AX$ , for magnesium-26.
16M.2.sl.TZ0.4c: A sample of compound A was prepared in which the 12C in the CH2 group was replaced by...
16M.1.sl.TZ0.5: Which is correct for the chromium isotope...
15M.2.hl.TZ1.4b: State one difference in the physical properties of the isotopes $^{{\text{63}}}{\text{Cu}}$ ...
15M.1.sl.TZ1.5: Which statement about the isotopes of nitrogen is correct?
15M.1.sl.TZ2.5: Which statement is correct for the ion $_4^9{\text{B}}{{\text{e}}^{2 + }}$ ? A. The ion...
15M.1.sl.TZ2.6: Which ion will be deflected most in a mass spectrometer? A. \(^{16}{{\text{O}}^ +...
15M.2.sl.TZ1.4a: State the relative mass and charge of the subatomic particles of an atom.
15M.2.sl.TZ1.4b: (i) Calculate the number of neutrons and electrons in one atom of...
15M.2.sl.TZ2.2a: Calculate the number of protons, neutrons and electrons in the...
15M.2.sl.TZ2.2d: The sample contained the three isotopes $^{{\text{24}}}{\text{Mg}}$ ,...
14M.2.hl.TZ2.2a: The relative atomic mass of copper is 63.55. Calculate the percentage of...
14M.1.sl.TZ2.6: Which species would be deflected most in a mass spectrometer? A. ...
14M.1.sl.TZ2.5: What does $_{{\text{24}}}^{{\text{52}}}{\text{X}}$ represent? A. An isotope of Te with...
14M.2.sl.TZ2.2a: State the number of protons, neutrons and electrons in an atom of...
14M.2.sl.TZ2.2b: The relative atomic mass of boron is 10.8, to three significant figures. Calculate the...
14M.2.sl.TZ2.2c: Isotopes of boron containing 7 and 8 neutrons also exist. Suggest why releasing isotopes...
14N.2.hl.TZ0.8a: (i) Calculate the relative atomic mass of this sample of magnesium correct to two decimal...
14N.1.sl.TZ0.5: Which ion will show the least deflection in a mass spectrometer? A. ...
14N.2.sl.TZ0.6a.i: Calculate the relative atomic mass of this sample of magnesium correct to two decimal places.
14N.2.sl.TZ0.6a.iii: Predict the relative atomic radii of the three magnesium isotopes, giving your reasons.
13N.1.hl.TZ0.4: What are the numbers of neutrons and electrons in the iodine ion,...
13N.2.hl.TZ0.8f.i: Outline why there are molecules with different molar masses.
13N.1.sl.TZ0.6: What are the numbers of neutrons and electrons in the iodine ion,...
13N.2.sl.TZ0.6f.i: Outline why there are molecules with different molar masses.
13M.1.sl.TZ1.6: Which statements about the isotopes of an element are correct? I. They have the same...
13M.2.sl.TZ1.6a.i: Define the term isotopes of an element.
13M.2.sl.TZ1.6a.ii: Calculate the percentage abundance of each isotope, given that the relative atomic mass of B...
13M.1.sl.TZ2.6: Which is an isotope of 24Mg? A. $_{{\text{11}}}^{{\text{24}}}{\text{Na}}$ B. ...
13M.2.sl.TZ2.6a.i: Define the term isotopes of an element.
13M.2.sl.TZ2.6a.ii: Calculate the number of protons, neutrons and electrons in the isotopes 35Cl and 37Cl.
13M.2.sl.TZ2.6a.iii: Using the mass numbers of the two isotopes and the relative atomic mass of chlorine from...
12N.1.sl.TZ0.5: What is the correct number of each particle in an oxygen ion,...
12N.2.sl.TZ0.4a: (i) Define the terms atomic number, mass number and isotopes of an element. Atomic...
10N.1.sl.TZ0.6: Which statement about the species $^{{\text{63}}}{\text{C}}{{\text{u}}^{2 + }}$ and...
10N.1.sl.TZ0.7: Which statement about the isotopes of an element is correct? A. They have the same mass...
10N.2.sl.TZ0.3b: A sample of iron has the following isotopic composition by mass. Calculate the relative...
10N.2.sl.TZ0.3c: Calculate the number of electrons in the ion $^{{\text{56}}}{\text{F}}{{\text{e}}^{2 + }}$ .
10M.2.sl.TZ1.4c: The relative atomic mass of naturally occurring copper is 63.55. Calculate the abundances of...
10M.1.sl.TZ2.6: How many electrons does the ion $_{{\text{15}}}^{{\text{31}}}{{\text{P}}^{3 - }}$ ...
09M.1.sl.TZ1.7: How many protons, neutrons and electrons are present in each atom of...
09M.2.sl.TZ1.5a.iii: Strontium exists as four naturally-occurring isotopes. Calculate the relative atomic mass of...
09M.1.hl.TZ2.5: The table below shows the number of protons, neutrons and electrons present in five...
09M.1.sl.TZ2.5: What is the atomic number of a neutral atom which has 51 neutrons and 40 electrons? A. ...
09M.2.sl.TZ2.7a.i: Define the term isotopes.
09M.1.sl.TZ2.6: What is the relative atomic mass of an element with the following mass spectrum? A. ...
09M.2.sl.TZ2.7a.ii: A sample of silicon contains three isotopes. Calculate the relative atomic mass of silicon...
11M.2.hl.TZ1.3b: Deduce the numbers of protons and electrons in the ion ${\text{C}}{{\text{o}}^{2 + }}$ .
11M.1.hl.TZ1.6: Which quantities are the same for all atoms of chlorine? I. Number of protons II. ...
11M.1.sl.TZ1.6: Which statement about the numbers of protons, electrons and neutrons in an atom is always...
11M.2.sl.TZ1.2b: Deduce the numbers of protons and electrons in the ${{\text{K}}^ + }$ ion.
11M.2.sl.TZ1.7f: Silicon has three stable isotopes, $^{{\text{28}}}{\text{Si}}$ ,...
11M.1.hl.TZ2.4: Consider the relative abundance of the isotopes of element X. What is the relative atomic...
11M.2.hl.TZ2.2c.i: Calculate the percentage of each isotope in pure antimony. State your answers to three...
11M.2.hl.TZ2.2c.iii: State the number of neutrons present in an atom of $^{{\text{121}}}{\text{Sb}}$ .
11M.1.sl.TZ2.6: Which statements about the isotopes of chlorine, $_{{\text{17}}}^{{\text{35}}}{\text{Cl}}$ ...
11M.2.sl.TZ2.3a: Calculate the percentage of each isotope in pure rubidium. State your answers to...
11M.2.sl.TZ2.3c: State the number of electrons and the number of neutrons present in an atom of...
12M.1.sl.TZ2.6: Which subatomic particles are located in the nucleus of an atom? A. Protons and...
12M.2.sl.TZ2.4a.ii: Determine the number of neutrons in one atom of iodine-131.
11N.1.sl.TZ0.5: A sample of zinc has the following composition: What is the relative atomic mass of the...
11N.2.sl.TZ0.2a: Deduce the missing information and complete the following table.

Hide related questions

Question

Markscheme

Examiners report

Syllabus sections

View options