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