A) It is composed of protons and neutrons B) It is composed of protons only C) It is composed of electrons and neutrons D) It is composed of protons and electrons
A) 0 B) + 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) burning wood B) cooking eggs C) digesting food D) breaking a pencil
A) Atomic Number B) Discovery Date C) Atomic Mass D) Alphabetical Order
A) Protons B) Valence Electrons C) Protons and Neutrons D) Neutrons
A) shape B) pH C) color D) density
A) a total of eight neutrons and electrons. B) eight neutrons in its nucleus. C) eight protons in its nucleus. D) a total of eight protons and neutrons.
A) protons plus the number of neutrons. B) neutrons. C) protons plus the number of electrons. D) protons.
A) They are located in the left-most column of the periodic table. B) They are usually gases. C) They form negative ions with a -1 charge. D) They are extremely nonreactive.
A) a basically nonreactive. B) They are extremely rare in nature. C) They form compounds with very bright colors. D) They are highly reactive with both metals and nonmetals.
A) exist in all three states of matter in normal conditions B) have only 1 valence electron C) are all metals D) are nonreactive
A) On the left-most side. B) In the middle column of the periodic table. C) On the right side. D) In the bottom rows.
A) mass;number B) location; ionization C) color; smell D) number; mass
A) 3 neutrons B) 6 neutrons C) 8 neutrons D) 12 neutrons
A) Halogens B) Alkaline Metals C) Noble Gases D) Alkaline Earth
A) Alkaline Earth B) Akali C) Halogens D) Noble Gases
A) Alkaline Earth B) Alkali C) Noble Gases D) Halogens
A) Alkaline Earth B) Halogens C) Alkali D) Noble Gases
A) 5 B) 3 C) 2 D) 4
A) metalloids B) metals C) nonmetals
A) Mendleev B) Mosely C) Ms. Watson D) Einstein
A) by date discovered B) according to atomic number C) alphabetically D) According to atomic mass
A) Atomic Number B) Atomic Mass-Atomic Number C) Atomic Mass D) Atomic Number-Atomic Mass
A) Atomic Number B) Atomic Number-Atomic mass C) Atomic Mass-Atomic Number D) Atomic Mass
A) neutrons B) protons C) electrons D) nucleus
A) reactivity B) pH C) color D) flammability
A) pH B) texture C) shape D) density
A) crushing B) breaking C) burning D) adding dye
A) rusting B) precipitate forming C) burning D) breaking
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) can be observes with the senses B) vary within the same element C) cn only be observed by changing the substance D) only can be observed in a few elements
A) chemical B) physical
A) physical B) chemical
A) it will float B) it will sink C) not enough information
A) liters B) second C) meters D) kelvin
A) hours B) kilograms C) grams D) meters
A) both accurate and precise B) accurate C) nethier accurate or precise D) precise
A) 100 B) 1/1,000 C) 1/100 D) 1,000
A) control B) dependent C) constant D) independent
A) strawberries B) growth C) fertilizer D) length of study
A) 2,500m B) 0.0025m
A) 16.5g B) 1.65g
A) 9.470x10-2 B) 9.470x102
A) 4.2x10-3 B) 4.2x103
A) 0.0000875 B) 875,000
A) 63,400 B) 0.00634
A) independent B) control C) constant D) dependent
A) tongs B) graduated cylinder C) beaker D) stirring rod
A) 13 B) 0 C) 10 D) 16
A) 18 B) 19 C) 17 D) 35
A) 12 B) 26 C) 10 D) 14
A) 18 B) 2 C) 10 D) 8
A) 57 amu B) 0.57 amu C) 115 amu D) 5.7 amu
A) 3 B) 1 C) 2 D) 4
A) 2 mol B) 67.2 mol C) 89.6 mol D) 0.5 mol
A) 5.8x1022 atoms B) 1.72x1023 atoms C) 21.07 atoms D) 2.107x1024 atoms
A) 2,295ft B) 12,144ft
A) 33.3kg B) 6.75kg
A) Dalton B) Thomson C) Rutherford D) Bohr
A) Democritus B) Thomson C) Rutherford D) Chadwick
A) Rutherford B) Thomson C) Bohr D) Shrodinger and Heisenburg
A) Dalton B) Thomson C) Bohr D) Rutherford
A) Atoms combine to form compounds in simple whole number ratios. B) All matter is made of atoms. C) Atoms of the same element are exactly alike.
A) Chadwick B) Rutherford C) Bohr 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) positive charge B) smaller mass C) larger mass D) negative charge
A) neutrons B) positrons C) protons D) electrons
A) 3g/ml B) 1.33g/ml C) 0.33g/ml D) 72g/ml
A) 0.094g B) 10.7g C) 17.5g D) 16g |