A) It is composed of protons only B) It is composed of electrons and neutrons C) It is composed of protons and neutrons D) It is composed of protons and electrons
A) 0 B) + C) -
A) have an equal number of charged and noncharged particles. B) have neutrons in their nuclei. C) have an equal number of neutrons and protons. D) have an equal number of electrons and protons.
A) cooking eggs B) burning wood C) digesting food D) breaking a pencil
A) Discovery Date B) Alphabetical Order C) Atomic Number D) Atomic Mass
A) Neutrons B) Protons C) Valence Electrons D) Protons and Neutrons
A) density B) shape C) color D) pH
A) a total of eight neutrons and electrons. B) eight protons in its nucleus. C) a total of eight protons and neutrons. D) eight neutrons in its nucleus.
A) protons. B) protons plus the number of electrons. C) protons plus the number of neutrons. D) neutrons.
A) They are usually gases. B) They are extremely nonreactive. C) They form negative ions with a -1 charge. D) They are located in the left-most column of the periodic table.
A) They form compounds with very bright colors. B) They are extremely rare in nature. C) a basically nonreactive. D) They are highly reactive with both metals and nonmetals.
A) are nonreactive B) exist in all three states of matter in normal conditions C) have only 1 valence electron D) are all metals
A) On the right side. B) In the middle column of the periodic table. C) In the bottom rows. D) On the left-most side.
A) location; ionization B) number; mass C) color; smell D) mass;number
A) 12 neutrons B) 8 neutrons C) 6 neutrons D) 3 neutrons
A) Alkaline Earth B) Halogens C) Alkaline Metals D) Noble Gases
A) Alkaline Earth B) Halogens C) Akali D) Noble Gases
A) Noble Gases B) Halogens C) Alkali D) Alkaline Earth
A) Alkaline Earth B) Alkali C) Halogens D) Noble Gases
A) 5 B) 3 C) 4 D) 2
A) nonmetals B) metalloids C) metals
A) Einstein B) Ms. Watson C) Mendleev D) Mosely
A) by date discovered B) alphabetically C) according to atomic number D) According to atomic mass
A) Atomic Number-Atomic Mass B) Atomic Number C) Atomic Mass-Atomic Number D) Atomic Mass
A) Atomic Mass-Atomic Number B) Atomic Mass C) Atomic Number-Atomic mass D) Atomic Number
A) protons B) neutrons C) nucleus D) electrons
A) color B) reactivity C) pH D) flammability
A) pH B) texture C) shape D) density
A) burning B) crushing C) breaking D) adding dye
A) rusting B) burning C) breaking D) precipitate forming
A) can be observed with senses B) vary within the same element C) can only be observed by changing the substance D) only can be seen in a few elements
A) cn only be observed by changing the substance B) only can be observed in a few elements C) can be observes with the senses D) vary within the same element
A) physical B) chemical
A) chemical B) physical
A) it will float B) it will sink C) not enough information
A) second B) meters C) liters D) kelvin
A) kilograms B) meters C) grams D) hours
A) nethier accurate or precise B) both accurate and precise C) precise D) accurate
A) 1/100 B) 100 C) 1,000 D) 1/1,000
A) dependent B) constant C) control D) independent
A) fertilizer B) strawberries C) growth D) length of study
A) 2,500m B) 0.0025m
A) 16.5g B) 1.65g
A) 9.470x10-2 B) 9.470x102
A) 4.2x103 B) 4.2x10-3
A) 875,000 B) 0.0000875
A) 0.00634 B) 63,400
A) independent B) constant C) dependent D) control
A) tongs B) stirring rod C) beaker D) graduated cylinder
A) 16 B) 10 C) 13 D) 0
A) 19 B) 35 C) 17 D) 18
A) 12 B) 10 C) 14 D) 26
A) 2 B) 8 C) 18 D) 10
A) 115 amu B) 57 amu C) 5.7 amu D) 0.57 amu
A) 1 B) 3 C) 2 D) 4
A) 2 mol B) 89.6 mol C) 0.5 mol D) 67.2 mol
A) 2.107x1024 atoms B) 5.8x1022 atoms C) 21.07 atoms D) 1.72x1023 atoms
A) 12,144ft B) 2,295ft
A) 33.3kg B) 6.75kg
A) Rutherford B) Bohr C) Dalton D) Thomson
A) Chadwick B) Democritus C) Thomson D) Rutherford
A) Rutherford B) Bohr C) Shrodinger and Heisenburg D) Thomson
A) Dalton B) Thomson C) Bohr D) Rutherford
A) All matter is made of atoms. B) Atoms combine to form compounds in simple whole number ratios. C) Atoms of the same element are exactly alike.
A) Dalton B) Bohr C) Rutherford D) Chadwick
A) The mass of electrons is much smaller than the mass of protons and neutrons. B) Electrons are positively charged. C) Electron number never changes. D) The mass of protons and neutrons are much smaller than the mass of the electron.
A) larger mass B) positive charge C) negative charge D) smaller mass
A) neutrons B) positrons C) protons D) electrons
A) 3g/ml B) 72g/ml C) 1.33g/ml D) 0.33g/ml
A) 10.7g B) 0.094g C) 17.5g D) 16g |