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) 0 B) + C) -
A) have an equal number of electrons and protons. B) have neutrons in their nuclei. C) have an equal number of charged and noncharged particles. D) have an equal number of neutrons and protons.
A) burning wood B) digesting food C) cooking eggs D) breaking a pencil
A) Atomic Number B) Discovery Date C) Atomic Mass D) Alphabetical Order
A) Neutrons B) Valence Electrons C) Protons D) Protons and Neutrons
A) shape B) pH C) density D) color
A) a total of eight protons and neutrons. B) eight neutrons in its nucleus. C) a total of eight neutrons and electrons. D) eight protons in its nucleus.
A) protons. B) protons plus the number of neutrons. C) neutrons. D) protons plus the number of electrons.
A) They are usually gases. B) They are extremely nonreactive. C) They are located in the left-most column of the periodic table. D) They form negative ions with a -1 charge.
A) They are extremely rare in nature. B) They form compounds with very bright colors. C) They are highly reactive with both metals and nonmetals. D) a basically nonreactive.
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) In the middle column of the periodic table. C) On the right side. D) In the bottom rows.
A) color; smell B) mass;number C) number; mass D) location; ionization
A) 8 neutrons B) 12 neutrons C) 3 neutrons D) 6 neutrons
A) Alkali Metals B) Alkaline Earth C) Halogens D) Noble Gases
A) Alkaline Earth B) Noble Gases C) Akali D) Halogens
A) Halogens B) Alkali C) Noble Gases D) Alkaline Earth
A) Alkaline Earth B) Alkali C) Noble Gases D) Halogens
A) 4 B) 5 C) 3 D) 2
A) nonmetals B) metalloids C) metals
A) Mendleev B) Mosely C) Ms. Watson D) Einstein
A) according to atomic number B) According to atomic mass C) alphabetically D) by date discovered
A) Atomic Mass-Atomic Number B) Atomic Number C) Atomic Number-Atomic Mass D) Atomic Mass
A) Atomic Number B) Atomic Mass-Atomic Number C) Atomic Mass D) Atomic Number-Atomic mass
A) neutrons B) protons C) electrons D) nucleus
A) pH B) reactivity C) flammability D) color
A) adding dye B) breaking C) burning D) crushing
A) can only be observed by changing the substance B) vary within the same element C) can be observed with senses D) only can be seen in a few elements
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) physical B) chemical
A) it will sink B) not enough information C) it will float
A) hours B) grams C) meters D) kilograms
A) precise B) accurate C) nethier accurate or precise D) both accurate and precise
A) 100 B) 1/1,000 C) 1/100 D) 1,000
A) control B) dependent C) independent D) constant
A) length of study B) growth C) strawberries D) fertilizer
A) dependent B) independent C) constant D) control
A) tongs B) stirring rod C) beaker D) graduated cylinder
A) 0 B) 10 C) 16 D) 13
A) 35 B) 19 C) 17 D) 18
A) 10 B) 12 C) 26 D) 14
A) 18 B) 10 C) 8 D) 2
A) 5.7 amu B) 57 amu C) 0.57 amu D) 115 amu
A) 4 B) 1 C) 2 D) 3
A) Dalton B) Bohr C) Thomson D) Rutherford
A) Rutherford B) Democritus C) Thomson D) Chadwick
A) Thomson B) Bohr C) Shrodinger and Heisenburg D) Rutherford ![]()
A) Bohr B) Dalton C) Rutherford D) Thomson
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) Dalton B) Rutherford C) Bohr D) Chadwick
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) positive charge B) larger mass C) negative charge D) smaller mass
A) protons B) positrons C) electrons D) neutrons
A) 1.33g/ml B) 0.33g/ml C) 72g/ml D) 3g/ml
A) 10.7g B) 0.094g C) 24g D) 17.5g |