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