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Mr Bond
Questions and answers by
Mr Bond
Questions (6)
What kind of bond is created by the attraction between atomic particles of opposite charge?
nuclear bond covalent bond ionic bond
29 answers
88 views
Which of the following is a base?
vinegar lemon juice stomach acid baking soda
29 answers
65 views
Hey I’ve got a Aston Martin
27 answers
56 views
Da Man I Am
1 answer
59 views
Name the set(s) of numbers to which –10 belongs.
integers, rational numbers whole numbers, integers, rational numbers rational
15 answers
114 views
Write a function rule for the table.
Hours Worked Pay 2 $12.50 4 $25.00 6 $37.50 8 $50.00 p = h + 12.5 h = 6.25p p = 12.5h p =
20 answers
56 views
Answers (58)
Over the first five years of owning her car, Gina drove about 12,700 miles the first year, 15,478 miles the second year, 12,675 the third year, 11,850 the fourth year, and 13,075 the fifth year. Find the mean, median, and mode of this data. mean = 13,156;
Are you sure
Evaluate the formula V=Bh/3 for B = 9 in.2 and h = 32 in. 32 in.3 9.6 in.3 288 in.3 96 in.3
Which of the following is false? the cost to mail an envelope and the weight of the envelope is a positive correlation amount of exercise and percent of body fat is a negative correlation the graduation rate in a city and the rate of unemployment in a city
Write a function rule for the table. Days Cost to Rent a Truck 1 34 2 56 3 78 4 100 c = 12d + 22 c = 22d + 12 c = 22d c = 22d + 22
Define a variable and write an expression for the phrase. 8 minus a number 8/n 8 – n n/8 8n
Which set of numbers is the most reasonable to describe the number of desks in a classroom? rational numbers integers whole numbers irrational numbers
The total cost to rent a row boat is $18 times the number of hours the boat is used. Write an equation to model this situation if c = total cost and h = number of hours. h = 18c c = 18h c – 18 = h
Which set of numbers is the most reasonable to describe a person’s hat size? irrational numbers whole numbers rational numbers integers
Define a variable and write an expression for the phrase. the quotient of 2 times a number and 19
Define a variable and write an expression for the phrase. 4 minus a number 4/n 4n n/4 4 – n
Simplify the expression. 9(10 + 5) ÷ (6 – 5) 95 135 85 17
The function c = 2.50(n – 2) + 1.50 represents the cost c in dollars of printing n invitations. Which of the following is not true? The cost depends on the number of invitations printed. One can not print just one invitation. For each additional
Name the set(s) of numbers to which -1/2 belongs. integers, rational numbers whole numbers, natural numbers, integers whole numbers, integers, rational numbers rational numbers
Evaluate the formula V= Bh/3 for B = 15 in.2 and h = 28 in. 46.7 in.3 14 in.3 420 in.3 140 in.3
The cost of playing golf increases with the number of games played. Identify the independent and dependent quantity in the situation. hours played; cost cost; hours played cost; games played games played; cost
Evaluate u + xy , for u = 2, x = 9, and y = 6. 66 56 24 17
But it does involve heart rates
Are you sure
The Borg scale measures heart beats per minute in order to calculate a precise measurement of workout intensity. False True
The less muscle a person has, the faster his metabolism runs. False True
Corine raised and lowered her body ten times doing tricep dips. She completed one set. False True
Which of the following is a number that represents a person's healthy or non-healthy weight? A. Aerobic capacity B. Body composition C. Muscular endurance D. Body mass index
Which of the following is characteristic of what not to do when stretching muscles? A. Bounce during stretch B. Warm up before stretching C. Hold breath between stretches D. Hold breath during stretch
Which of the following is likely to cause shin splints? A. Tapping toes B. Wearing tight shoes C. Walking uphill D. Starting too fast
Which of the following muscles are more prone to injury? A. Shoulder B. Back C. Chest D. Triceps
I can only pick one
Mark just started an exercise program. To which part of the target heart rate range should he aim to exercise at? A. 77% B. 75% C. 60% D. 80%
I’m just kidding I don’t have one sadly
Aston Martin DB5
Which formula for sulfuric acid is written correctly to show one sulfur atom, two hydrogen atoms, and four oxygen atoms? H 2 (SO 2 ) 2 (HS) 2 O 4 H 2 SO 4 HS 2 O 4
What type of bond forms between a slightly positive hydrogen atom in one molecule and a slightly negative atom in another molecule? covalent bond ionic bond hydrogen bond atomic bond
A(n) _____ bond forms when two atoms share one or more pairs of electrons. electrical covalent molecular ionic
How many oxygen atoms are in one unit of the compound Ba(OH) 2 ? 1 4 2 3
What is a radical? a group of ions that have no charge a group of ions that break up during a reaction a group of atoms that act like one atom a group of atoms that give off radiation
When NaOH is added to water, the hydroxide concentration increases. What can you conclude about NaOH? It donates H + ions. It has a low pH. It releases protons. It is a base.
Which is an example of a chemical change? a candle burns a teaspoon of salt dissolves a burner gets red hot a pan of water boils
What is true of every water molecule? It is made of two water atoms. It is made of two hydrogen atoms and one oxygen atom. It is made of one hydrogen atom and two oxygen atoms. It is made of one water atom and one DNA atom.
How does the presence of an acid in a water solution affect the pH of the solution? It neutralizes the pH. It does not affect the pH. It raises the pH. It lowers the pH.
What kind of change causes iron to rust? freezing reaction physical change chemical change state change
Which is true of hydroxide ions? They dissociate to form protons. They are not found in pure water. They have a negative charge. They contain two hydrogen atoms.
How does the composition of a water molecule affect its charge? It makes the molecule nonpolar. It makes the molecule a positive ion. It makes the molecule polar. It makes the molecule a negative ion.
Which is the term for numbers that appear in the chemical formulas of some compounds? subscripts coefficients square roots exponents
What feature makes water a polar molecule? A water molecule is positively charged. A water molecule is negatively charged. The ends of the water molecule have opposite electrical charges. The middle of the water molecule contains opposing charges.
Which of the following is a base? vinegar lemon juice stomach acid baking soda
What determines an atom’s chemical properties? the number of electrons in its nucleus the number of neutrons in its nucleus the number of electrons in its outermost shell the number of protons in its outermost shell
What is chemistry? the study of matter and how it changes the study of what living things are made of the study of living things and how they change the study of matter and how it moves
What name is given to elements with the same number of protons but differing numbers of neutrons? acids bases ions isotopes
What is always true of a binary compound? It has two atoms. It has covalent bonds. It has two elements. It has a double bond.
What form of matter is made from only one type of atom? element material compound molecule
