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- 1. Multiple Choice
Which element is more reactive?
Magnesium (Mg)
Boron (B)
Neon (Ne)
Potassium (K)
- 2. Multiple Choice
Is this at stable or reactive?
Stable
Reactive
- 3. Multiple Choice
What decides an elements reactivity?
It's proton count
It's electron count
An elements valence electrons
The elements mass
- 4. Multiple Choice
What determines an element's energy levels?
The electron shells
The reactivity
It's stability
- 5. Multiple Choice
Which element is least reactive?
Fluorine (F)
Xenon (Xe)
Hydrogen (H)
Indium (In)
- 6. Multiple Choice
Which is more reactive Helium (He) 2 or Florine (F) 9?
Helium
Florine
they are roughly the same
- 7. Multiple ChoiceWhich particle has a positive charge?electronorbitalprotonneutron
- 8. Multiple ChoiceChoose the particle that has no charge.nucleusneutronprotonelectron
- 9. Multiple Choice
Al elements has 3 protons and 4 neutrons. How many electrons are needed for this element to be neutral?
3
4
7
0
- 10. Multiple Choice
An element has 9 protons, 6 electrons and 10 neutrons. What is the charge of the nucleus?
19
-9
+9
+15
- 11. Multiple ChoiceWhat is the mass number and name of an element with 8 protons and 8 neutrons?16 - Carbon16 - Oxygen24 - Oxygen8 - Neon
- 12. Multiple ChoiceAn atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.2010525
- 13. Multiple ChoiceWhich group does this atom belong?Group 1Group 2Group 4Group 18
- 14. Multiple ChoiceWhich pair of elements have similar chemical properties?H and HeNa and CsNa and MgMg and Al
- 15. Multiple ChoiceWhat does MAN mean?Mass = Atomic Mass + NeutronMass - Atomic # = NeutronMass = Atom = Neutron
- 16. Multiple ChoiceWhy does group number 18 have the least reactive elements?They all have an odd number of protons.They all have an even number of protons.They have the largest masses.Their electron shells are the most filled and do not need to be very reactive.
- 17. Multiple Choicewhich family of metals is most reactive?transition metalsboron familyalkali familynoble gases
- 18. Multiple ChoiceWhat is the name of the group that never reacts--ever ever they are stable with a full outermost ring!!!noble gasestransitionhalogensborons
- 19. Multiple ChoiceRows on the period table are called _____ while columns are called _____.groups, familiesgroups, periodsperiods, groupsfamilies, groups
- 20. Multiple ChoiceThe elements in a column of the periodic table...have similar atomic numbersstart with the same letterhave similar propertiesare not related in any way
- 21. Multiple ChoiceWhat period and group is Flourine on the periodic table?Period 7, Group 3Period 5, Group 4Period 2, Group 17Period 8, Group 2
- 22. Multiple ChoiceSodium has an atomic number of 11, how many protons does this atom have?2211122
- 23. Multiple ChoiceWhich of the following statements most directly relates to Chlorine's reactivity?Chlorine atoms have 17 protons in their nucleusThe average mass of a chlorine atom is 35Chlorine atoms have 3 energy levelsChlorine atoms have 7 valence electrons
- 24. Multiple ChoiceWhich of the following determines the identity of an element?Atomic NumberAtomic MassValence ElectronsNumber of Neutrons
- 25. Multiple Choice
Valence electron are an important part of every atom. Which of the following accurately describes valence electrons?
They are negatively charged and in the outer energy level
They are positively charged and found in the nucleus
They are electrically neutral and located in the nucleus
They are positively charged and found in the electron cloud
- 26. Multiple ChoiceGroup 18 on the periodic table is called the Noble Gases. Neon is a gaseous element that belongs to this group, and it is chemically unreactive and very stable. Which of the following relates to its chemical reactivity?They have 10 protonsThey have 10 neutronsThey have 2 electron energy levelsThey have 8 valence electrons
- 27. Multiple ChoiceAn atom has 6 valence electrons. It also has a nucleus that contains 34 protons and 42 neutrons. This atom is a form of the elementSeleniumMolybdeumOsmiumCarbon
- 28. Multiple Choice
Which group of lists best summarizes the subatomic particles and their electrical charge?
proton, negative
neutron, positive
electron, no charge
proton, positive
neutron, no charge
electron, negative
proton, positive
neutron, negative
electron, no charge
proton, no charge
neutron, positive
electron, negative
- 29. Multiple Choice
Which letter represents the protons?
Q
R
S
T
- 30. Multiple Choice
Which letter represents the neutrons?
Q
R
S
T
- 31. Multiple Choice
Which letter represents the electrons?
Q
R
S
T
- 32. Multiple Choice
Which letter represents the nucleus?
Q
R
S
T
- 33. Multiple Choice
What is the name of the element represented in the model?
Beryllium
Boron
Oxygen
Fluorine
- 34. Multiple Choice
Which statement best describes the location of subatomic particles?
The protons and electrons are in the nucleus, while the neutrons are in the cloud outside the nucleus.
The neutrons are in the nucleus, while the protons and electrons are in the cloud outside the nucleus.
The electrons and neutrons are in the nucleus, while the protons are in the cloud outside the nucleus.
The protons and neutrons are in the nucleus, while the electrons are in the cloud outside the nucleus.
- 35. Multiple Choice
Which of the following below lists the correct number of protons, neutrons, and electrons for an atom of phosphorus?
protons 15
neutrons 15
electrons 15
protons 15
neutrons 16
electrons 15
protons 15
neutrons 16
electrons 16
protons 16
neutrons 15
electrons 15
- 36. Multiple ChoiceThe table provides information for four elements. Based on the information shown, it can be concluded that -carbon was discovered firstiodine is the most reactiveoxygen has the most neutronsnitrogen is the better insulator
- 37. Multiple ChoiceThe table provides information on four different elements. Which element has four protons in its nucleus?LithiumCarbonBerylliumHelium
- 38. Multiple ChoiceWhen trying to identify an unknown element, a scientist determines what other elements the unknown element reacts with chemically.
Which property of the unknown element determines the other elements it reacts with?The total number of neutrons in the unknown elementThe total number of particles in the nucleus of the unknown elementThe number of protons in the nucleus of the unknown elementThe number of valence electrons in the unknown element - 39. Multiple ChoiceThe table below lists three characteristics of an atom of an element.
An atom of which element is described by the data in the table?Radon (Rn)Cadmium (Cd)Rubidium (Rb)Astatine (At) - 40. Multiple ChoiceA model of an atom is shown below.
An atom of which element is represented by this model?Boron (B)Carbon (C)Neon (Ne)Sodium (Na) - Answer choicesTagsAnswer choicesTags