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