A) It is composed of protons and neutrons B) It is composed of protons only C) It is composed of protons and electrons D) It is composed of electrons and neutrons
A) 0 B) + C) -
A) have an equal number of neutrons and protons. B) have an equal number of electrons and protons. C) have an equal number of charged and noncharged particles. D) have neutrons in their nuclei.
A) digesting food B) burning wood C) cooking eggs D) breaking a pencil
A) Atomic Number B) Discovery Date C) Atomic Mass D) Alphabetical Order
A) Protons B) Neutrons C) Valence Electrons D) Protons and Neutrons
A) pH B) density C) shape D) color
A) a total of eight neutrons and electrons. B) eight neutrons in its nucleus. C) a total of eight protons and neutrons. D) eight protons in its nucleus.
A) protons. B) neutrons. C) protons plus the number of neutrons. D) protons plus the number of electrons.
A) They form negative ions with a -1 charge. B) They are extremely nonreactive. C) They are located in the left-most column of the periodic table. D) They are usually gases.
A) They are highly reactive with both metals and nonmetals. B) They are extremely rare in nature. C) a basically nonreactive. D) They form compounds with very bright colors.
A) are nonreactive B) exist in all three states of matter in normal conditions C) have only 1 valence electron D) are all metals
A) On the left-most side. B) In the bottom rows. C) In the middle column of the periodic table. D) On the right side.
A) mass;number B) color; smell C) location; ionization D) number; mass
A) 6 neutrons B) 8 neutrons C) 3 neutrons D) 12 neutrons
A) Alkaline Earth B) Alkali Metals C) Halogens D) Noble Gases
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) Halogens D) Alkaline Earth
A) 3 B) 4 C) 5 D) 2
A) metalloids B) metals C) nonmetals
A) Einstein B) Mosely C) Mendleev D) Ms. Watson
A) according to atomic number B) alphabetically C) According to atomic mass D) by date discovered
A) Atomic Number-Atomic Mass B) Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Number
A) Atomic Mass-Atomic Number B) Atomic Number-Atomic mass C) Atomic Mass D) Atomic Number
A) protons B) nucleus C) neutrons D) electrons
A) pH B) color C) flammability D) reactivity
A) breaking B) crushing C) burning D) adding dye
A) only can be seen in a few elements B) vary within the same element C) can only be observed by changing the substance D) can be observed with senses
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) hours B) grams C) meters D) kilograms
A) nethier accurate or precise B) accurate C) both accurate and precise D) precise
A) 1/1,000 B) 1/100 C) 1,000 D) 100
A) independent B) dependent C) control D) constant
A) strawberries B) length of study C) fertilizer D) growth
A) control B) independent C) constant D) dependent
A) stirring rod B) beaker C) tongs D) graduated cylinder
A) 0 B) 13 C) 16 D) 10
A) 35 B) 17 C) 19 D) 18
A) 12 B) 10 C) 26 D) 14
A) 8 B) 10 C) 2 D) 18
A) 57 amu B) 115 amu C) 0.57 amu D) 5.7 amu
A) 2 B) 3 C) 1 D) 4
A) Rutherford B) Bohr C) Dalton D) Thomson
A) Democritus B) Thomson C) Rutherford D) Chadwick
A) Rutherford B) Shrodinger and Heisenburg C) Thomson D) Bohr
A) Thomson B) Bohr C) Rutherford D) Dalton
A) All matter is made of atoms. B) Atoms combine to form compounds in simple whole number ratios. C) Atoms of the same element are exactly alike.
A) Bohr B) Dalton C) Chadwick D) Rutherford
A) Electron number never changes. B) The mass of electrons is much smaller than the mass of protons and neutrons. C) Electrons are positively charged. D) The mass of protons and neutrons are much smaller than the mass of the electron.
A) positive charge B) negative charge C) larger mass D) smaller mass
A) electrons B) protons C) neutrons D) positrons
A) 3g/ml B) 72g/ml C) 1.33g/ml D) 0.33g/ml
A) 0.094g B) 10.7g C) 24g D) 17.5g |