The Electron Arrangement Of Any Particular Atom Shows

Question: The electron arrangement of any particular atom shows:

Answer: the number of electrons in each energy level.

Question: Which of the following descriptions of a subatomic particle is correct? :

Answer: A proton has a positive charge and a mass of approximately 1 amu.

Question: The number of dots in the electron dot structure of carbon is 3) _______:

Answer: 4 dots in the electron dot structure of carbon

Question: Identify the metalloid in the following list: fluorine,sulfur,germanium,silver, copper

Answer: metalloid: germanium

Question: According to the Atomic Theory:

Answer: Atomic Theory: atoms are neither created nor destroyed during a chemical reaction.

Question: Select the correct symbol for the element iron:Fs, Fe, In, Ir, FE

Answer: Iron: Fe

Question: SYMBOL : Fe ELEMENT?

Answer: IRON

Question: A PROTON HAS A POSITIVE CHARGE OF APPROX 1 AMU.

Answer: A PROTON HAS A POSITIVE CHARGE OF APPROX 1 AMU.

Question: __ DOTS IN THE ELECTRON DOT STRUCTURE OF CARBON

Answer: 4 DOTS IN THE ELECTRON DOT STRUCTURE OF CARBON

Question: ELECTRON ARRANGEMENT OF ANY ATOM SHOWS THE NUMBER OF ELECTRONS IN EACH ENERGY LEVEL

Answer: ELECTRON ARRANGEMENT OF ANY ATOM SHOWS THE NUMBER OF ELECTRONS IN EACH ENERGY LEVEL

Question: ATOMIC THEORY: ATOMS ARE NEITHER CREATED NOR DESTROYED DURING A CHEMICAL REACTION.

Answer: ATOMS ARE NEITHER CREATED NOR DESTROYED DURING A CHEMICAL REACTION.

Question: GERMANIUM IS A METALLOID

Answer: GERMANIUM IS A METALLOID

Question: What element has the electron energy level arrangement 2,8,4?

Answer: Silicon

Question: How many valence electrons are in the electron-dot structures for the elements in group 3A(13)

Answer: 3

Question: Ca is the symbol for

Answer: Calcium

Question: Air is a

Answer: homogeneous mixture.

Question: Which of the following properties is NOT a characteristic of the Group 1A(1) elements (alkali metals)?D)Most of them are liquids at room temperature.

Answer: D)Most of them are liquids at room temperature.

Question: What is 6.5 m converted to inches?

Answer: 260 inches

Question: The measurement of the gravitational pull on an object is its

Answer: weight

Question: 5.21 cm is the same distance as:A)0.00521 km.B)5.21 mm.C)0.0521 m.D)52.1 dm.E)5210 m.

Answer: 0.0521 m.

Question: How many liters of soft drink are there in 5.25 qt?A)55.7 L B) 5.0 L C) 4950 L D) 5.57 L E) 4.95 L

Answer: E) 4.95 L

Question: How many pounds are in 3.5 kg?A)0.629 lbB)1.59 lbC)1.6 lbD)7.7 lbE)7.70 lb

Answer: D)7.7 lb

Question: Copper

Answer: Cu

Question: Platinum

Answer: Pt

Question: Calcium

Answer: Ca

Question: Maganese

Answer: Mn

Question: Iron

Answer: Fe

Question: Barium

Answer: B a

Question: Strontium

Answer: Sr

Question: Lead

Answer:

Question: Oxygen

Answer:

Question: Lithium

Answer: Li

Question: Uranium

Answer: U

Question: Titanium

Answer: Ti

Question: Hydrogen

Answer: He

Question: Chromium

Answer: Cr

Question: Tin

Answer: Sn

Question: Gold

Answer: Au

Question: Element N a : Important in nerve implulses, regulates blood pressure.

Answer: N a : Sodium, Group 1A (1), Period 3, is an alkali metal.

Question: Element I : Needed to produce thyroid hormones

Answer: I: Iodine, Group 7A (17), Period 5, Halogen, is a NON-metal.

Question: Element S i: Needed for tendons and ligaments.

Answer: S i: Silicon, Group 4A (14), Period 3, is a metalloid.

Question: For each Group Number, name the number of Valence Electrons: 1A (1) 1 2A (2) 2 3A (13) 3 4A (14) 4 5A (15) 5 6A (16) 6 7A (17) 7 8A (18) 8

Answer: Group Number Number of Valence Electrons 1A (1) 1 2A (2) 2 3A (13) 3 4A (14) 4 5A (15) 5 6A (16) 6 7A (17) 7 8A (18) 8

Question: Electron-dot symbolsare also known as:(For example, Al = 2,8,3)

Answer: as Lewis structuresrepresent the valence electrons as dots placed on the sides of a symbol

Question: Electron-Dot Symbol for Mg include:

Answer: 2 valence electrons.

Question: Possible electron-dot symbols for magnesium, with the electron arrangement of 2,8,2,include:

Answer: 2 valence electrons.

Question: NUMBER OF VALENCE ELECTRONS FOR ELEMENTS IN GROUP 1A (1) ?

Answer: ONE

Question: NAME THE ELEMENTS IN GROUP 1A (1) :

Answer: H, Li, Na, K.

Question: NAME THE ELEMENTS IN GROUP 2A (2) & the number of electron-dot structures for the elements in group 3A(13)

Answer: Be, Mg, Ca. 3