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