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